Home / 19,630.24-29,439.12-6,480.16

Finding the Fourth Proportional to 19,630.24, 29,439.12 and 6,480.16

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Solution

The fourth proportional to 19,630.24, 29,439.12 and 6,480.16 is: 9,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.24 : 29,439.12 = 6,480.16 : x
  2. Step 2: Convert to fraction form
    19,630.24/29,439.12 = 6,480.16/x
  3. Step 3: Cross multiply
    19,630.24x = 29,439.12 × 6,480.16
  4. Step 4: Simplify right side
    19,630.24x = 190,770,207.86
  5. Step 5: Solve for x
    x = 190,770,207.86/19,630.24
  6. Step 6: Final answer
    x = 9,718.18

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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.