Home / 16,418.76-22,659.04-9,345.19

Finding the Fourth Proportional to 16,418.76, 22,659.04 and 9,345.19

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Solution

The fourth proportional to 16,418.76, 22,659.04 and 9,345.19 is: 12,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.76 : 22,659.04 = 9,345.19 : x
  2. Step 2: Convert to fraction form
    16,418.76/22,659.04 = 9,345.19/x
  3. Step 3: Cross multiply
    16,418.76x = 22,659.04 × 9,345.19
  4. Step 4: Simplify right side
    16,418.76x = 211,753,034.02
  5. Step 5: Solve for x
    x = 211,753,034.02/16,418.76
  6. Step 6: Final answer
    x = 12,897.02

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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.