Home / 10,244.08-15,356.85-7,125.55

Finding the Fourth Proportional to 10,244.08, 15,356.85 and 7,125.55

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Solution

The fourth proportional to 10,244.08, 15,356.85 and 7,125.55 is: 10,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.08 : 15,356.85 = 7,125.55 : x
  2. Step 2: Convert to fraction form
    10,244.08/15,356.85 = 7,125.55/x
  3. Step 3: Cross multiply
    10,244.08x = 15,356.85 × 7,125.55
  4. Step 4: Simplify right side
    10,244.08x = 109,426,002.52
  5. Step 5: Solve for x
    x = 109,426,002.52/10,244.08
  6. Step 6: Final answer
    x = 10,681.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.