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Finding the Fourth Proportional to 15,659.46, 23,489.19 and 9,490.50

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Solution

The fourth proportional to 15,659.46, 23,489.19 and 9,490.50 is: 14,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.46 : 23,489.19 = 9,490.50 : x
  2. Step 2: Convert to fraction form
    15,659.46/23,489.19 = 9,490.50/x
  3. Step 3: Cross multiply
    15,659.46x = 23,489.19 × 9,490.50
  4. Step 4: Simplify right side
    15,659.46x = 222,924,157.70
  5. Step 5: Solve for x
    x = 222,924,157.70/15,659.46
  6. Step 6: Final answer
    x = 14,235.75

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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.