Home / 11,070.60-15,260.52-8,191.95

Finding the Fourth Proportional to 11,070.60, 15,260.52 and 8,191.95

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Solution

The fourth proportional to 11,070.60, 15,260.52 and 8,191.95 is: 11,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.60 : 15,260.52 = 8,191.95 : x
  2. Step 2: Convert to fraction form
    11,070.60/15,260.52 = 8,191.95/x
  3. Step 3: Cross multiply
    11,070.60x = 15,260.52 × 8,191.95
  4. Step 4: Simplify right side
    11,070.60x = 125,013,416.81
  5. Step 5: Solve for x
    x = 125,013,416.81/11,070.60
  6. Step 6: Final answer
    x = 11,292.38

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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.