Home / 14,193.38-21,268.17-8,988.32

Finding the Fourth Proportional to 14,193.38, 21,268.17 and 8,988.32

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Solution

The fourth proportional to 14,193.38, 21,268.17 and 8,988.32 is: 13,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.38 : 21,268.17 = 8,988.32 : x
  2. Step 2: Convert to fraction form
    14,193.38/21,268.17 = 8,988.32/x
  3. Step 3: Cross multiply
    14,193.38x = 21,268.17 × 8,988.32
  4. Step 4: Simplify right side
    14,193.38x = 191,165,117.77
  5. Step 5: Solve for x
    x = 191,165,117.77/14,193.38
  6. Step 6: Final answer
    x = 13,468.61

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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.