Home / 11,284.28-15,567.12-7,306.70

Finding the Fourth Proportional to 11,284.28, 15,567.12 and 7,306.70

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Solution

The fourth proportional to 11,284.28, 15,567.12 and 7,306.70 is: 10,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.28 : 15,567.12 = 7,306.70 : x
  2. Step 2: Convert to fraction form
    11,284.28/15,567.12 = 7,306.70/x
  3. Step 3: Cross multiply
    11,284.28x = 15,567.12 × 7,306.70
  4. Step 4: Simplify right side
    11,284.28x = 113,744,275.70
  5. Step 5: Solve for x
    x = 113,744,275.70/11,284.28
  6. Step 6: Final answer
    x = 10,079.89

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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.