Home / 15,911.78-23,867.64-4,065.55

Finding the Fourth Proportional to 15,911.78, 23,867.64 and 4,065.55

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Solution

The fourth proportional to 15,911.78, 23,867.64 and 4,065.55 is: 6,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.78 : 23,867.64 = 4,065.55 : x
  2. Step 2: Convert to fraction form
    15,911.78/23,867.64 = 4,065.55/x
  3. Step 3: Cross multiply
    15,911.78x = 23,867.64 × 4,065.55
  4. Step 4: Simplify right side
    15,911.78x = 97,035,024.13
  5. Step 5: Solve for x
    x = 97,035,024.13/15,911.78
  6. Step 6: Final answer
    x = 6,098.32

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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.