Home / 8,041.64-12,117.24-6,612.80

Finding the Fourth Proportional to 8,041.64, 12,117.24 and 6,612.80

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Solution

The fourth proportional to 8,041.64, 12,117.24 and 6,612.80 is: 9,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.64 : 12,117.24 = 6,612.80 : x
  2. Step 2: Convert to fraction form
    8,041.64/12,117.24 = 6,612.80/x
  3. Step 3: Cross multiply
    8,041.64x = 12,117.24 × 6,612.80
  4. Step 4: Simplify right side
    8,041.64x = 80,128,884.67
  5. Step 5: Solve for x
    x = 80,128,884.67/8,041.64
  6. Step 6: Final answer
    x = 9,964.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.