Home / 10,272.76-14,176.42-5,557.02

Finding the Fourth Proportional to 10,272.76, 14,176.42 and 5,557.02

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Solution

The fourth proportional to 10,272.76, 14,176.42 and 5,557.02 is: 7,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.76 : 14,176.42 = 5,557.02 : x
  2. Step 2: Convert to fraction form
    10,272.76/14,176.42 = 5,557.02/x
  3. Step 3: Cross multiply
    10,272.76x = 14,176.42 × 5,557.02
  4. Step 4: Simplify right side
    10,272.76x = 78,778,649.47
  5. Step 5: Solve for x
    x = 78,778,649.47/10,272.76
  6. Step 6: Final answer
    x = 7,668.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.