Home / 13,667.31-20,500.02-4,306.68

Finding the Fourth Proportional to 13,667.31, 20,500.02 and 4,306.68

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Solution

The fourth proportional to 13,667.31, 20,500.02 and 4,306.68 is: 6,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.31 : 20,500.02 = 4,306.68 : x
  2. Step 2: Convert to fraction form
    13,667.31/20,500.02 = 4,306.68/x
  3. Step 3: Cross multiply
    13,667.31x = 20,500.02 × 4,306.68
  4. Step 4: Simplify right side
    13,667.31x = 88,287,026.13
  5. Step 5: Solve for x
    x = 88,287,026.13/13,667.31
  6. Step 6: Final answer
    x = 6,459.72

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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.