Home / 10,570.24-15,815.04-9,585.28

Finding the Fourth Proportional to 10,570.24, 15,815.04 and 9,585.28

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Solution

The fourth proportional to 10,570.24, 15,815.04 and 9,585.28 is: 14,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.24 : 15,815.04 = 9,585.28 : x
  2. Step 2: Convert to fraction form
    10,570.24/15,815.04 = 9,585.28/x
  3. Step 3: Cross multiply
    10,570.24x = 15,815.04 × 9,585.28
  4. Step 4: Simplify right side
    10,570.24x = 151,591,586.61
  5. Step 5: Solve for x
    x = 151,591,586.61/10,570.24
  6. Step 6: Final answer
    x = 14,341.36

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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.