Home / 10,659.64-14,708.90-6,182.78

Finding the Fourth Proportional to 10,659.64, 14,708.90 and 6,182.78

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Solution

The fourth proportional to 10,659.64, 14,708.90 and 6,182.78 is: 8,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.64 : 14,708.90 = 6,182.78 : x
  2. Step 2: Convert to fraction form
    10,659.64/14,708.90 = 6,182.78/x
  3. Step 3: Cross multiply
    10,659.64x = 14,708.90 × 6,182.78
  4. Step 4: Simplify right side
    10,659.64x = 90,941,892.74
  5. Step 5: Solve for x
    x = 90,941,892.74/10,659.64
  6. Step 6: Final answer
    x = 8,531.42

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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.