Home / 8,838.18-12,184.14-7,029.81

Finding the Fourth Proportional to 8,838.18, 12,184.14 and 7,029.81

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Solution

The fourth proportional to 8,838.18, 12,184.14 and 7,029.81 is: 9,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.18 : 12,184.14 = 7,029.81 : x
  2. Step 2: Convert to fraction form
    8,838.18/12,184.14 = 7,029.81/x
  3. Step 3: Cross multiply
    8,838.18x = 12,184.14 × 7,029.81
  4. Step 4: Simplify right side
    8,838.18x = 85,652,189.21
  5. Step 5: Solve for x
    x = 85,652,189.21/8,838.18
  6. Step 6: Final answer
    x = 9,691.16

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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.