Home / 14,487.87-21,623.18-13,542.02

Finding the Fourth Proportional to 14,487.87, 21,623.18 and 13,542.02

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Solution

The fourth proportional to 14,487.87, 21,623.18 and 13,542.02 is: 20,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.87 : 21,623.18 = 13,542.02 : x
  2. Step 2: Convert to fraction form
    14,487.87/21,623.18 = 13,542.02/x
  3. Step 3: Cross multiply
    14,487.87x = 21,623.18 × 13,542.02
  4. Step 4: Simplify right side
    14,487.87x = 292,821,536.02
  5. Step 5: Solve for x
    x = 292,821,536.02/14,487.87
  6. Step 6: Final answer
    x = 20,211.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.