Home / 14,265.48-21,398.22-3,878.76

Finding the Fourth Proportional to 14,265.48, 21,398.22 and 3,878.76

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Solution

The fourth proportional to 14,265.48, 21,398.22 and 3,878.76 is: 5,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.48 : 21,398.22 = 3,878.76 : x
  2. Step 2: Convert to fraction form
    14,265.48/21,398.22 = 3,878.76/x
  3. Step 3: Cross multiply
    14,265.48x = 21,398.22 × 3,878.76
  4. Step 4: Simplify right side
    14,265.48x = 82,998,559.81
  5. Step 5: Solve for x
    x = 82,998,559.81/14,265.48
  6. Step 6: Final answer
    x = 5,818.14

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Similar ratio
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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.