Home / 8,143.40-12,191.33-5,014.02

Finding the Fourth Proportional to 8,143.40, 12,191.33 and 5,014.02

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Solution

The fourth proportional to 8,143.40, 12,191.33 and 5,014.02 is: 7,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.40 : 12,191.33 = 5,014.02 : x
  2. Step 2: Convert to fraction form
    8,143.40/12,191.33 = 5,014.02/x
  3. Step 3: Cross multiply
    8,143.40x = 12,191.33 × 5,014.02
  4. Step 4: Simplify right side
    8,143.40x = 61,127,562.12
  5. Step 5: Solve for x
    x = 61,127,562.12/8,143.40
  6. Step 6: Final answer
    x = 7,506.39

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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.