Home / 13,784.08-20,657.56-7,534.71

Finding the Fourth Proportional to 13,784.08, 20,657.56 and 7,534.71

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Solution

The fourth proportional to 13,784.08, 20,657.56 and 7,534.71 is: 11,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.08 : 20,657.56 = 7,534.71 : x
  2. Step 2: Convert to fraction form
    13,784.08/20,657.56 = 7,534.71/x
  3. Step 3: Cross multiply
    13,784.08x = 20,657.56 × 7,534.71
  4. Step 4: Simplify right side
    13,784.08x = 155,648,723.91
  5. Step 5: Solve for x
    x = 155,648,723.91/13,784.08
  6. Step 6: Final answer
    x = 11,291.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.