Home / 9,182.90-12,672.14-5,205.30

Finding the Fourth Proportional to 9,182.90, 12,672.14 and 5,205.30

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Solution

The fourth proportional to 9,182.90, 12,672.14 and 5,205.30 is: 7,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.90 : 12,672.14 = 5,205.30 : x
  2. Step 2: Convert to fraction form
    9,182.90/12,672.14 = 5,205.30/x
  3. Step 3: Cross multiply
    9,182.90x = 12,672.14 × 5,205.30
  4. Step 4: Simplify right side
    9,182.90x = 65,962,264.32
  5. Step 5: Solve for x
    x = 65,962,264.32/9,182.90
  6. Step 6: Final answer
    x = 7,183.17

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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.