Home / 8,813.24-12,158.70-6,013.88

Finding the Fourth Proportional to 8,813.24, 12,158.70 and 6,013.88

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Solution

The fourth proportional to 8,813.24, 12,158.70 and 6,013.88 is: 8,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.24 : 12,158.70 = 6,013.88 : x
  2. Step 2: Convert to fraction form
    8,813.24/12,158.70 = 6,013.88/x
  3. Step 3: Cross multiply
    8,813.24x = 12,158.70 × 6,013.88
  4. Step 4: Simplify right side
    8,813.24x = 73,120,962.76
  5. Step 5: Solve for x
    x = 73,120,962.76/8,813.24
  6. Step 6: Final answer
    x = 8,296.72

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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.