Home / 21,460.33-29,604.25-12,957.76

Finding the Fourth Proportional to 21,460.33, 29,604.25 and 12,957.76

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Solution

The fourth proportional to 21,460.33, 29,604.25 and 12,957.76 is: 17,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.33 : 29,604.25 = 12,957.76 : x
  2. Step 2: Convert to fraction form
    21,460.33/29,604.25 = 12,957.76/x
  3. Step 3: Cross multiply
    21,460.33x = 29,604.25 × 12,957.76
  4. Step 4: Simplify right side
    21,460.33x = 383,604,766.48
  5. Step 5: Solve for x
    x = 383,604,766.48/21,460.33
  6. Step 6: Final answer
    x = 17,875.06

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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.