Home / 8,964.12-13,444.36-5,630.88

Finding the Fourth Proportional to 8,964.12, 13,444.36 and 5,630.88

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Solution

The fourth proportional to 8,964.12, 13,444.36 and 5,630.88 is: 8,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.12 : 13,444.36 = 5,630.88 : x
  2. Step 2: Convert to fraction form
    8,964.12/13,444.36 = 5,630.88/x
  3. Step 3: Cross multiply
    8,964.12x = 13,444.36 × 5,630.88
  4. Step 4: Simplify right side
    8,964.12x = 75,703,577.84
  5. Step 5: Solve for x
    x = 75,703,577.84/8,964.12
  6. Step 6: Final answer
    x = 8,445.18

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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.