Home / 9,207.18-12,702.12-6,414.30

Finding the Fourth Proportional to 9,207.18, 12,702.12 and 6,414.30

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Solution

The fourth proportional to 9,207.18, 12,702.12 and 6,414.30 is: 8,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.18 : 12,702.12 = 6,414.30 : x
  2. Step 2: Convert to fraction form
    9,207.18/12,702.12 = 6,414.30/x
  3. Step 3: Cross multiply
    9,207.18x = 12,702.12 × 6,414.30
  4. Step 4: Simplify right side
    9,207.18x = 81,475,208.32
  5. Step 5: Solve for x
    x = 81,475,208.32/9,207.18
  6. Step 6: Final answer
    x = 8,849.09

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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.