Home / 15,329.28-21,146.04-10,029.36

Finding the Fourth Proportional to 15,329.28, 21,146.04 and 10,029.36

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Solution

The fourth proportional to 15,329.28, 21,146.04 and 10,029.36 is: 13,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.28 : 21,146.04 = 10,029.36 : x
  2. Step 2: Convert to fraction form
    15,329.28/21,146.04 = 10,029.36/x
  3. Step 3: Cross multiply
    15,329.28x = 21,146.04 × 10,029.36
  4. Step 4: Simplify right side
    15,329.28x = 212,081,247.73
  5. Step 5: Solve for x
    x = 212,081,247.73/15,329.28
  6. Step 6: Final answer
    x = 13,835.04

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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.