Home / 15,324.06-21,149.49-9,359.16

Finding the Fourth Proportional to 15,324.06, 21,149.49 and 9,359.16

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Solution

The fourth proportional to 15,324.06, 21,149.49 and 9,359.16 is: 12,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.06 : 21,149.49 = 9,359.16 : x
  2. Step 2: Convert to fraction form
    15,324.06/21,149.49 = 9,359.16/x
  3. Step 3: Cross multiply
    15,324.06x = 21,149.49 × 9,359.16
  4. Step 4: Simplify right side
    15,324.06x = 197,941,460.83
  5. Step 5: Solve for x
    x = 197,941,460.83/15,324.06
  6. Step 6: Final answer
    x = 12,917.04

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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.