Home / 9,326.18-13,986.30-3,780.92

Finding the Fourth Proportional to 9,326.18, 13,986.30 and 3,780.92

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Solution

The fourth proportional to 9,326.18, 13,986.30 and 3,780.92 is: 5,670.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.18 : 13,986.30 = 3,780.92 : x
  2. Step 2: Convert to fraction form
    9,326.18/13,986.30 = 3,780.92/x
  3. Step 3: Cross multiply
    9,326.18x = 13,986.30 × 3,780.92
  4. Step 4: Simplify right side
    9,326.18x = 52,881,081.40
  5. Step 5: Solve for x
    x = 52,881,081.40/9,326.18
  6. Step 6: Final answer
    x = 5,670.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.