Home / 10,943.52-15,093.52-9,685.92

Finding the Fourth Proportional to 10,943.52, 15,093.52 and 9,685.92

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Solution

The fourth proportional to 10,943.52, 15,093.52 and 9,685.92 is: 13,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.52 : 15,093.52 = 9,685.92 : x
  2. Step 2: Convert to fraction form
    10,943.52/15,093.52 = 9,685.92/x
  3. Step 3: Cross multiply
    10,943.52x = 15,093.52 × 9,685.92
  4. Step 4: Simplify right side
    10,943.52x = 146,194,627.24
  5. Step 5: Solve for x
    x = 146,194,627.24/10,943.52
  6. Step 6: Final answer
    x = 13,359.01

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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.