Home / 10,539.36-15,810.66-3,517.20

Finding the Fourth Proportional to 10,539.36, 15,810.66 and 3,517.20

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Solution

The fourth proportional to 10,539.36, 15,810.66 and 3,517.20 is: 5,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.36 : 15,810.66 = 3,517.20 : x
  2. Step 2: Convert to fraction form
    10,539.36/15,810.66 = 3,517.20/x
  3. Step 3: Cross multiply
    10,539.36x = 15,810.66 × 3,517.20
  4. Step 4: Simplify right side
    10,539.36x = 55,609,253.35
  5. Step 5: Solve for x
    x = 55,609,253.35/10,539.36
  6. Step 6: Final answer
    x = 5,276.34

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1.5x scale

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.