Home / 10,659.60-14,706.36-6,680.88

Finding the Fourth Proportional to 10,659.60, 14,706.36 and 6,680.88

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Solution

The fourth proportional to 10,659.60, 14,706.36 and 6,680.88 is: 9,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.60 : 14,706.36 = 6,680.88 : x
  2. Step 2: Convert to fraction form
    10,659.60/14,706.36 = 6,680.88/x
  3. Step 3: Cross multiply
    10,659.60x = 14,706.36 × 6,680.88
  4. Step 4: Simplify right side
    10,659.60x = 98,251,426.40
  5. Step 5: Solve for x
    x = 98,251,426.40/10,659.60
  6. Step 6: Final answer
    x = 9,217.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.