Home / 15,913.28-23,868.04-4,227.40

Finding the Fourth Proportional to 15,913.28, 23,868.04 and 4,227.40

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Solution

The fourth proportional to 15,913.28, 23,868.04 and 4,227.40 is: 6,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.28 : 23,868.04 = 4,227.40 : x
  2. Step 2: Convert to fraction form
    15,913.28/23,868.04 = 4,227.40/x
  3. Step 3: Cross multiply
    15,913.28x = 23,868.04 × 4,227.40
  4. Step 4: Simplify right side
    15,913.28x = 100,899,752.30
  5. Step 5: Solve for x
    x = 100,899,752.30/15,913.28
  6. Step 6: Final answer
    x = 6,340.60

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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.