Home / 11,326.60-15,630.29-6,291.15

Finding the Fourth Proportional to 11,326.60, 15,630.29 and 6,291.15

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Solution

The fourth proportional to 11,326.60, 15,630.29 and 6,291.15 is: 8,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.60 : 15,630.29 = 6,291.15 : x
  2. Step 2: Convert to fraction form
    11,326.60/15,630.29 = 6,291.15/x
  3. Step 3: Cross multiply
    11,326.60x = 15,630.29 × 6,291.15
  4. Step 4: Simplify right side
    11,326.60x = 98,332,432.46
  5. Step 5: Solve for x
    x = 98,332,432.46/11,326.60
  6. Step 6: Final answer
    x = 8,681.55

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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.