Home / 15,126.72-22,685.76-6,360

Finding the Fourth Proportional to 15,126.72, 22,685.76 and 6,360

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Solution

The fourth proportional to 15,126.72, 22,685.76 and 6,360 is: 9,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.72 : 22,685.76 = 6,360 : x
  2. Step 2: Convert to fraction form
    15,126.72/22,685.76 = 6,360/x
  3. Step 3: Cross multiply
    15,126.72x = 22,685.76 × 6,360
  4. Step 4: Simplify right side
    15,126.72x = 144,281,433.60
  5. Step 5: Solve for x
    x = 144,281,433.60/15,126.72
  6. Step 6: Final answer
    x = 9,538.18

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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.