Home / 12,585.30-17,367.33-6,920.02

Finding the Fourth Proportional to 12,585.30, 17,367.33 and 6,920.02

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Solution

The fourth proportional to 12,585.30, 17,367.33 and 6,920.02 is: 9,549.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.30 : 17,367.33 = 6,920.02 : x
  2. Step 2: Convert to fraction form
    12,585.30/17,367.33 = 6,920.02/x
  3. Step 3: Cross multiply
    12,585.30x = 17,367.33 × 6,920.02
  4. Step 4: Simplify right side
    12,585.30x = 120,182,270.95
  5. Step 5: Solve for x
    x = 120,182,270.95/12,585.30
  6. Step 6: Final answer
    x = 9,549.42

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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.