Home / 14,001.25-21,002.28-3,613

Finding the Fourth Proportional to 14,001.25, 21,002.28 and 3,613

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Solution

The fourth proportional to 14,001.25, 21,002.28 and 3,613 is: 5,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.25 : 21,002.28 = 3,613 : x
  2. Step 2: Convert to fraction form
    14,001.25/21,002.28 = 3,613/x
  3. Step 3: Cross multiply
    14,001.25x = 21,002.28 × 3,613
  4. Step 4: Simplify right side
    14,001.25x = 75,881,237.64
  5. Step 5: Solve for x
    x = 75,881,237.64/14,001.25
  6. Step 6: Final answer
    x = 5,419.60

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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.