Home / 11,068.20-15,263.64-8,546.31

Finding the Fourth Proportional to 11,068.20, 15,263.64 and 8,546.31

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Solution

The fourth proportional to 11,068.20, 15,263.64 and 8,546.31 is: 11,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.20 : 15,263.64 = 8,546.31 : x
  2. Step 2: Convert to fraction form
    11,068.20/15,263.64 = 8,546.31/x
  3. Step 3: Cross multiply
    11,068.20x = 15,263.64 × 8,546.31
  4. Step 4: Simplify right side
    11,068.20x = 130,447,799.17
  5. Step 5: Solve for x
    x = 130,447,799.17/11,068.20
  6. Step 6: Final answer
    x = 11,785.82

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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.