Home / 10,470.04-15,701.04-4,227.88

Finding the Fourth Proportional to 10,470.04, 15,701.04 and 4,227.88

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Solution

The fourth proportional to 10,470.04, 15,701.04 and 4,227.88 is: 6,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.04 : 15,701.04 = 4,227.88 : x
  2. Step 2: Convert to fraction form
    10,470.04/15,701.04 = 4,227.88/x
  3. Step 3: Cross multiply
    10,470.04x = 15,701.04 × 4,227.88
  4. Step 4: Simplify right side
    10,470.04x = 66,382,113.00
  5. Step 5: Solve for x
    x = 66,382,113.00/10,470.04
  6. Step 6: Final answer
    x = 6,340.20

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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.