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Finding the Fourth Proportional to 15,650.01, 21,597.03 and 8,479.92

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Solution

The fourth proportional to 15,650.01, 21,597.03 and 8,479.92 is: 11,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.01 : 21,597.03 = 8,479.92 : x
  2. Step 2: Convert to fraction form
    15,650.01/21,597.03 = 8,479.92/x
  3. Step 3: Cross multiply
    15,650.01x = 21,597.03 × 8,479.92
  4. Step 4: Simplify right side
    15,650.01x = 183,141,115.79
  5. Step 5: Solve for x
    x = 183,141,115.79/15,650.01
  6. Step 6: Final answer
    x = 11,702.30

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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.