Home / 10,557.64-15,818.88-7,432.06

Finding the Fourth Proportional to 10,557.64, 15,818.88 and 7,432.06

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Solution

The fourth proportional to 10,557.64, 15,818.88 and 7,432.06 is: 11,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.64 : 15,818.88 = 7,432.06 : x
  2. Step 2: Convert to fraction form
    10,557.64/15,818.88 = 7,432.06/x
  3. Step 3: Cross multiply
    10,557.64x = 15,818.88 × 7,432.06
  4. Step 4: Simplify right side
    10,557.64x = 117,566,865.29
  5. Step 5: Solve for x
    x = 117,566,865.29/10,557.64
  6. Step 6: Final answer
    x = 11,135.71

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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.