Home / 14,331.76-21,392.89-13,276.53

Finding the Fourth Proportional to 14,331.76, 21,392.89 and 13,276.53

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Solution

The fourth proportional to 14,331.76, 21,392.89 and 13,276.53 is: 19,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.76 : 21,392.89 = 13,276.53 : x
  2. Step 2: Convert to fraction form
    14,331.76/21,392.89 = 13,276.53/x
  3. Step 3: Cross multiply
    14,331.76x = 21,392.89 × 13,276.53
  4. Step 4: Simplify right side
    14,331.76x = 284,023,312.68
  5. Step 5: Solve for x
    x = 284,023,312.68/14,331.76
  6. Step 6: Final answer
    x = 19,817.76

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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.