Home / 14,279.52-21,380.64-10,102.32

Finding the Fourth Proportional to 14,279.52, 21,380.64 and 10,102.32

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Solution

The fourth proportional to 14,279.52, 21,380.64 and 10,102.32 is: 15,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.52 : 21,380.64 = 10,102.32 : x
  2. Step 2: Convert to fraction form
    14,279.52/21,380.64 = 10,102.32/x
  3. Step 3: Cross multiply
    14,279.52x = 21,380.64 × 10,102.32
  4. Step 4: Simplify right side
    14,279.52x = 215,994,067.08
  5. Step 5: Solve for x
    x = 215,994,067.08/14,279.52
  6. Step 6: Final answer
    x = 15,126.14

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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.