Home / 15,699.42-23,552.55-5,170.50

Finding the Fourth Proportional to 15,699.42, 23,552.55 and 5,170.50

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Solution

The fourth proportional to 15,699.42, 23,552.55 and 5,170.50 is: 7,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.42 : 23,552.55 = 5,170.50 : x
  2. Step 2: Convert to fraction form
    15,699.42/23,552.55 = 5,170.50/x
  3. Step 3: Cross multiply
    15,699.42x = 23,552.55 × 5,170.50
  4. Step 4: Simplify right side
    15,699.42x = 121,778,459.78
  5. Step 5: Solve for x
    x = 121,778,459.78/15,699.42
  6. Step 6: Final answer
    x = 7,756.88

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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.