Home / 9,065.43-12,519.80-6,240.10

Finding the Fourth Proportional to 9,065.43, 12,519.80 and 6,240.10

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Solution

The fourth proportional to 9,065.43, 12,519.80 and 6,240.10 is: 8,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.43 : 12,519.80 = 6,240.10 : x
  2. Step 2: Convert to fraction form
    9,065.43/12,519.80 = 6,240.10/x
  3. Step 3: Cross multiply
    9,065.43x = 12,519.80 × 6,240.10
  4. Step 4: Simplify right side
    9,065.43x = 78,124,803.98
  5. Step 5: Solve for x
    x = 78,124,803.98/9,065.43
  6. Step 6: Final answer
    x = 8,617.88

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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.