Home / 10,666.91-14,719.16-7,517.63

Finding the Fourth Proportional to 10,666.91, 14,719.16 and 7,517.63

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Solution

The fourth proportional to 10,666.91, 14,719.16 and 7,517.63 is: 10,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.91 : 14,719.16 = 7,517.63 : x
  2. Step 2: Convert to fraction form
    10,666.91/14,719.16 = 7,517.63/x
  3. Step 3: Cross multiply
    10,666.91x = 14,719.16 × 7,517.63
  4. Step 4: Simplify right side
    10,666.91x = 110,653,198.79
  5. Step 5: Solve for x
    x = 110,653,198.79/10,666.91
  6. Step 6: Final answer
    x = 10,373.50

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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.