Home / 15,014.28-22,516.02-5,151

Finding the Fourth Proportional to 15,014.28, 22,516.02 and 5,151

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Solution

The fourth proportional to 15,014.28, 22,516.02 and 5,151 is: 7,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014.28 : 22,516.02 = 5,151 : x
  2. Step 2: Convert to fraction form
    15,014.28/22,516.02 = 5,151/x
  3. Step 3: Cross multiply
    15,014.28x = 22,516.02 × 5,151
  4. Step 4: Simplify right side
    15,014.28x = 115,980,019.02
  5. Step 5: Solve for x
    x = 115,980,019.02/15,014.28
  6. Step 6: Final answer
    x = 7,724.65

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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.