Home / 15,366.44-21,206.08-8,652.31

Finding the Fourth Proportional to 15,366.44, 21,206.08 and 8,652.31

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Solution

The fourth proportional to 15,366.44, 21,206.08 and 8,652.31 is: 11,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.44 : 21,206.08 = 8,652.31 : x
  2. Step 2: Convert to fraction form
    15,366.44/21,206.08 = 8,652.31/x
  3. Step 3: Cross multiply
    15,366.44x = 21,206.08 × 8,652.31
  4. Step 4: Simplify right side
    15,366.44x = 183,481,578.04
  5. Step 5: Solve for x
    x = 183,481,578.04/15,366.44
  6. Step 6: Final answer
    x = 11,940.41

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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.