Home / 10,237.43-15,359.88-4,315.80

Finding the Fourth Proportional to 10,237.43, 15,359.88 and 4,315.80

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Solution

The fourth proportional to 10,237.43, 15,359.88 and 4,315.80 is: 6,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.43 : 15,359.88 = 4,315.80 : x
  2. Step 2: Convert to fraction form
    10,237.43/15,359.88 = 4,315.80/x
  3. Step 3: Cross multiply
    10,237.43x = 15,359.88 × 4,315.80
  4. Step 4: Simplify right side
    10,237.43x = 66,290,170.10
  5. Step 5: Solve for x
    x = 66,290,170.10/10,237.43
  6. Step 6: Final answer
    x = 6,475.28

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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.