Home / 9,306.90-12,842.55-5,328.18

Finding the Fourth Proportional to 9,306.90, 12,842.55 and 5,328.18

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Solution

The fourth proportional to 9,306.90, 12,842.55 and 5,328.18 is: 7,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.90 : 12,842.55 = 5,328.18 : x
  2. Step 2: Convert to fraction form
    9,306.90/12,842.55 = 5,328.18/x
  3. Step 3: Cross multiply
    9,306.90x = 12,842.55 × 5,328.18
  4. Step 4: Simplify right side
    9,306.90x = 68,427,418.06
  5. Step 5: Solve for x
    x = 68,427,418.06/9,306.90
  6. Step 6: Final answer
    x = 7,352.33

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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.