Home / 10,539.12-15,803.40-3,516.68

Finding the Fourth Proportional to 10,539.12, 15,803.40 and 3,516.68

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Solution

The fourth proportional to 10,539.12, 15,803.40 and 3,516.68 is: 5,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.12 : 15,803.40 = 3,516.68 : x
  2. Step 2: Convert to fraction form
    10,539.12/15,803.40 = 3,516.68/x
  3. Step 3: Cross multiply
    10,539.12x = 15,803.40 × 3,516.68
  4. Step 4: Simplify right side
    10,539.12x = 55,575,500.71
  5. Step 5: Solve for x
    x = 55,575,500.71/10,539.12
  6. Step 6: Final answer
    x = 5,273.26

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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.