Home / 14,308.79-21,463.18-11,522.39

Finding the Fourth Proportional to 14,308.79, 21,463.18 and 11,522.39

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Solution

The fourth proportional to 14,308.79, 21,463.18 and 11,522.39 is: 17,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.79 : 21,463.18 = 11,522.39 : x
  2. Step 2: Convert to fraction form
    14,308.79/21,463.18 = 11,522.39/x
  3. Step 3: Cross multiply
    14,308.79x = 21,463.18 × 11,522.39
  4. Step 4: Simplify right side
    14,308.79x = 247,306,994.48
  5. Step 5: Solve for x
    x = 247,306,994.48/14,308.79
  6. Step 6: Final answer
    x = 17,283.58

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Double scale
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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.