Home / 10,117.35-15,182.87-3,543.60

Finding the Fourth Proportional to 10,117.35, 15,182.87 and 3,543.60

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Solution

The fourth proportional to 10,117.35, 15,182.87 and 3,543.60 is: 5,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,117.35 : 15,182.87 = 3,543.60 : x
  2. Step 2: Convert to fraction form
    10,117.35/15,182.87 = 3,543.60/x
  3. Step 3: Cross multiply
    10,117.35x = 15,182.87 × 3,543.60
  4. Step 4: Simplify right side
    10,117.35x = 53,802,000.41
  5. Step 5: Solve for x
    x = 53,802,000.41/10,117.35
  6. Step 6: Final answer
    x = 5,317.80

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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.