Home / 16,145.36-22,281.17-9,071.64

Finding the Fourth Proportional to 16,145.36, 22,281.17 and 9,071.64

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Solution

The fourth proportional to 16,145.36, 22,281.17 and 9,071.64 is: 12,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.36 : 22,281.17 = 9,071.64 : x
  2. Step 2: Convert to fraction form
    16,145.36/22,281.17 = 9,071.64/x
  3. Step 3: Cross multiply
    16,145.36x = 22,281.17 × 9,071.64
  4. Step 4: Simplify right side
    16,145.36x = 202,126,753.02
  5. Step 5: Solve for x
    x = 202,126,753.02/16,145.36
  6. Step 6: Final answer
    x = 12,519.19

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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.