Home / 14,659.61-21,937.50-9,115.56

Finding the Fourth Proportional to 14,659.61, 21,937.50 and 9,115.56

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Solution

The fourth proportional to 14,659.61, 21,937.50 and 9,115.56 is: 13,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.61 : 21,937.50 = 9,115.56 : x
  2. Step 2: Convert to fraction form
    14,659.61/21,937.50 = 9,115.56/x
  3. Step 3: Cross multiply
    14,659.61x = 21,937.50 × 9,115.56
  4. Step 4: Simplify right side
    14,659.61x = 199,972,597.50
  5. Step 5: Solve for x
    x = 199,972,597.50/14,659.61
  6. Step 6: Final answer
    x = 13,641.06

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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.