Home / 10,557.59-15,840.98-6,617.88

Finding the Fourth Proportional to 10,557.59, 15,840.98 and 6,617.88

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Solution

The fourth proportional to 10,557.59, 15,840.98 and 6,617.88 is: 9,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.59 : 15,840.98 = 6,617.88 : x
  2. Step 2: Convert to fraction form
    10,557.59/15,840.98 = 6,617.88/x
  3. Step 3: Cross multiply
    10,557.59x = 15,840.98 × 6,617.88
  4. Step 4: Simplify right side
    10,557.59x = 104,833,704.72
  5. Step 5: Solve for x
    x = 104,833,704.72/10,557.59
  6. Step 6: Final answer
    x = 9,929.70

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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.