Home / 8,686.44-12,988.32-6,710.04

Finding the Fourth Proportional to 8,686.44, 12,988.32 and 6,710.04

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Solution

The fourth proportional to 8,686.44, 12,988.32 and 6,710.04 is: 10,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.44 : 12,988.32 = 6,710.04 : x
  2. Step 2: Convert to fraction form
    8,686.44/12,988.32 = 6,710.04/x
  3. Step 3: Cross multiply
    8,686.44x = 12,988.32 × 6,710.04
  4. Step 4: Simplify right side
    8,686.44x = 87,152,146.73
  5. Step 5: Solve for x
    x = 87,152,146.73/8,686.44
  6. Step 6: Final answer
    x = 10,033.13

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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.