Home / 15,274.83-21,082.58-8,902.50

Finding the Fourth Proportional to 15,274.83, 21,082.58 and 8,902.50

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Solution

The fourth proportional to 15,274.83, 21,082.58 and 8,902.50 is: 12,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.83 : 21,082.58 = 8,902.50 : x
  2. Step 2: Convert to fraction form
    15,274.83/21,082.58 = 8,902.50/x
  3. Step 3: Cross multiply
    15,274.83x = 21,082.58 × 8,902.50
  4. Step 4: Simplify right side
    15,274.83x = 187,687,668.45
  5. Step 5: Solve for x
    x = 187,687,668.45/15,274.83
  6. Step 6: Final answer
    x = 12,287.38

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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.