Home / 13,567.12-20,344.60-5,663.76

Finding the Fourth Proportional to 13,567.12, 20,344.60 and 5,663.76

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Solution

The fourth proportional to 13,567.12, 20,344.60 and 5,663.76 is: 8,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.12 : 20,344.60 = 5,663.76 : x
  2. Step 2: Convert to fraction form
    13,567.12/20,344.60 = 5,663.76/x
  3. Step 3: Cross multiply
    13,567.12x = 20,344.60 × 5,663.76
  4. Step 4: Simplify right side
    13,567.12x = 115,226,931.70
  5. Step 5: Solve for x
    x = 115,226,931.70/13,567.12
  6. Step 6: Final answer
    x = 8,493.10

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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.