Home / 14,963.20-22,444.80-9,126.40

Finding the Fourth Proportional to 14,963.20, 22,444.80 and 9,126.40

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Solution

The fourth proportional to 14,963.20, 22,444.80 and 9,126.40 is: 13,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,963.20 : 22,444.80 = 9,126.40 : x
  2. Step 2: Convert to fraction form
    14,963.20/22,444.80 = 9,126.40/x
  3. Step 3: Cross multiply
    14,963.20x = 22,444.80 × 9,126.40
  4. Step 4: Simplify right side
    14,963.20x = 204,840,222.72
  5. Step 5: Solve for x
    x = 204,840,222.72/14,963.20
  6. Step 6: Final answer
    x = 13,689.60

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1.5x scale

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.