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Finding the Fourth Proportional to 15,249.24, 21,027.24 and 9,934.20

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Solution

The fourth proportional to 15,249.24, 21,027.24 and 9,934.20 is: 13,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.24 : 21,027.24 = 9,934.20 : x
  2. Step 2: Convert to fraction form
    15,249.24/21,027.24 = 9,934.20/x
  3. Step 3: Cross multiply
    15,249.24x = 21,027.24 × 9,934.20
  4. Step 4: Simplify right side
    15,249.24x = 208,888,807.61
  5. Step 5: Solve for x
    x = 208,888,807.61/15,249.24
  6. Step 6: Final answer
    x = 13,698.31

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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.