Home / 16,215.19-22,329.57-15,532.36

Finding the Fourth Proportional to 16,215.19, 22,329.57 and 15,532.36

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Solution

The fourth proportional to 16,215.19, 22,329.57 and 15,532.36 is: 21,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.19 : 22,329.57 = 15,532.36 : x
  2. Step 2: Convert to fraction form
    16,215.19/22,329.57 = 15,532.36/x
  3. Step 3: Cross multiply
    16,215.19x = 22,329.57 × 15,532.36
  4. Step 4: Simplify right side
    16,215.19x = 346,830,922.31
  5. Step 5: Solve for x
    x = 346,830,922.31/16,215.19
  6. Step 6: Final answer
    x = 21,389.26

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Half scale
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Double scale
Find fourth proportional to 16,216.19, 22,330.95 and 15,533.36
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.