Home / 14,167.70-21,251.55-13,487.30

Finding the Fourth Proportional to 14,167.70, 21,251.55 and 13,487.30

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Solution

The fourth proportional to 14,167.70, 21,251.55 and 13,487.30 is: 20,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.70 : 21,251.55 = 13,487.30 : x
  2. Step 2: Convert to fraction form
    14,167.70/21,251.55 = 13,487.30/x
  3. Step 3: Cross multiply
    14,167.70x = 21,251.55 × 13,487.30
  4. Step 4: Simplify right side
    14,167.70x = 286,626,030.32
  5. Step 5: Solve for x
    x = 286,626,030.32/14,167.70
  6. Step 6: Final answer
    x = 20,230.95

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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.