Home / 21,452.33-29,599.38-12,955.83

Finding the Fourth Proportional to 21,452.33, 29,599.38 and 12,955.83

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Solution

The fourth proportional to 21,452.33, 29,599.38 and 12,955.83 is: 17,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.33 : 29,599.38 = 12,955.83 : x
  2. Step 2: Convert to fraction form
    21,452.33/29,599.38 = 12,955.83/x
  3. Step 3: Cross multiply
    21,452.33x = 29,599.38 × 12,955.83
  4. Step 4: Simplify right side
    21,452.33x = 383,484,535.39
  5. Step 5: Solve for x
    x = 383,484,535.39/21,452.33
  6. Step 6: Final answer
    x = 17,876.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.