Home / 20,258.04-27,957.50-11,307.29

Finding the Fourth Proportional to 20,258.04, 27,957.50 and 11,307.29

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Solution

The fourth proportional to 20,258.04, 27,957.50 and 11,307.29 is: 15,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.04 : 27,957.50 = 11,307.29 : x
  2. Step 2: Convert to fraction form
    20,258.04/27,957.50 = 11,307.29/x
  3. Step 3: Cross multiply
    20,258.04x = 27,957.50 × 11,307.29
  4. Step 4: Simplify right side
    20,258.04x = 316,123,363.85
  5. Step 5: Solve for x
    x = 316,123,363.85/20,258.04
  6. Step 6: Final answer
    x = 15,604.83

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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.