Home / 8,021.18-12,013.95-6,158.59

Finding the Fourth Proportional to 8,021.18, 12,013.95 and 6,158.59

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Solution

The fourth proportional to 8,021.18, 12,013.95 and 6,158.59 is: 9,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.18 : 12,013.95 = 6,158.59 : x
  2. Step 2: Convert to fraction form
    8,021.18/12,013.95 = 6,158.59/x
  3. Step 3: Cross multiply
    8,021.18x = 12,013.95 × 6,158.59
  4. Step 4: Simplify right side
    8,021.18x = 73,988,985.39
  5. Step 5: Solve for x
    x = 73,988,985.39/8,021.18
  6. Step 6: Final answer
    x = 9,224.20

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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.