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Finding the Fourth Proportional to 22,963.32, 34,440.63 and 6,319.20

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Solution

The fourth proportional to 22,963.32, 34,440.63 and 6,319.20 is: 9,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,963.32 : 34,440.63 = 6,319.20 : x
  2. Step 2: Convert to fraction form
    22,963.32/34,440.63 = 6,319.20/x
  3. Step 3: Cross multiply
    22,963.32x = 34,440.63 × 6,319.20
  4. Step 4: Simplify right side
    22,963.32x = 217,637,229.10
  5. Step 5: Solve for x
    x = 217,637,229.10/22,963.32
  6. Step 6: Final answer
    x = 9,477.60

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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.