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Finding the Fourth Proportional to 10,840.32, 14,952 and 6,650.88

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Solution

The fourth proportional to 10,840.32, 14,952 and 6,650.88 is: 9,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.32 : 14,952 = 6,650.88 : x
  2. Step 2: Convert to fraction form
    10,840.32/14,952 = 6,650.88/x
  3. Step 3: Cross multiply
    10,840.32x = 14,952 × 6,650.88
  4. Step 4: Simplify right side
    10,840.32x = 99,443,957.76
  5. Step 5: Solve for x
    x = 99,443,957.76/10,840.32
  6. Step 6: Final answer
    x = 9,173.53

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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.