Home / 13,092.60-19,600.32-8,642.06

Finding the Fourth Proportional to 13,092.60, 19,600.32 and 8,642.06

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Solution

The fourth proportional to 13,092.60, 19,600.32 and 8,642.06 is: 12,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.60 : 19,600.32 = 8,642.06 : x
  2. Step 2: Convert to fraction form
    13,092.60/19,600.32 = 8,642.06/x
  3. Step 3: Cross multiply
    13,092.60x = 19,600.32 × 8,642.06
  4. Step 4: Simplify right side
    13,092.60x = 169,387,141.46
  5. Step 5: Solve for x
    x = 169,387,141.46/13,092.60
  6. Step 6: Final answer
    x = 12,937.62

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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.