Home / 10,665.40-14,713.38-6,684.52

Finding the Fourth Proportional to 10,665.40, 14,713.38 and 6,684.52

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Solution

The fourth proportional to 10,665.40, 14,713.38 and 6,684.52 is: 9,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.40 : 14,713.38 = 6,684.52 : x
  2. Step 2: Convert to fraction form
    10,665.40/14,713.38 = 6,684.52/x
  3. Step 3: Cross multiply
    10,665.40x = 14,713.38 × 6,684.52
  4. Step 4: Simplify right side
    10,665.40x = 98,351,882.88
  5. Step 5: Solve for x
    x = 98,351,882.88/10,665.40
  6. Step 6: Final answer
    x = 9,221.58

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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.