Home / 12,519.32-17,276.10-7,214.90

Finding the Fourth Proportional to 12,519.32, 17,276.10 and 7,214.90

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Solution

The fourth proportional to 12,519.32, 17,276.10 and 7,214.90 is: 9,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.32 : 17,276.10 = 7,214.90 : x
  2. Step 2: Convert to fraction form
    12,519.32/17,276.10 = 7,214.90/x
  3. Step 3: Cross multiply
    12,519.32x = 17,276.10 × 7,214.90
  4. Step 4: Simplify right side
    12,519.32x = 124,645,333.89
  5. Step 5: Solve for x
    x = 124,645,333.89/12,519.32
  6. Step 6: Final answer
    x = 9,956.24

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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.