Home / 8,701.02-13,040.60-6,240.65

Finding the Fourth Proportional to 8,701.02, 13,040.60 and 6,240.65

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Solution

The fourth proportional to 8,701.02, 13,040.60 and 6,240.65 is: 9,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.02 : 13,040.60 = 6,240.65 : x
  2. Step 2: Convert to fraction form
    8,701.02/13,040.60 = 6,240.65/x
  3. Step 3: Cross multiply
    8,701.02x = 13,040.60 × 6,240.65
  4. Step 4: Simplify right side
    8,701.02x = 81,381,723.98
  5. Step 5: Solve for x
    x = 81,381,723.98/8,701.02
  6. Step 6: Final answer
    x = 9,353.12

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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.