Home / 14,590.28-21,882.78-4,728.20

Finding the Fourth Proportional to 14,590.28, 21,882.78 and 4,728.20

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Solution

The fourth proportional to 14,590.28, 21,882.78 and 4,728.20 is: 7,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.28 : 21,882.78 = 4,728.20 : x
  2. Step 2: Convert to fraction form
    14,590.28/21,882.78 = 4,728.20/x
  3. Step 3: Cross multiply
    14,590.28x = 21,882.78 × 4,728.20
  4. Step 4: Simplify right side
    14,590.28x = 103,466,160.40
  5. Step 5: Solve for x
    x = 103,466,160.40/14,590.28
  6. Step 6: Final answer
    x = 7,091.44

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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.