Home / 11,071.08-15,278.50-6,103.40

Finding the Fourth Proportional to 11,071.08, 15,278.50 and 6,103.40

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Solution

The fourth proportional to 11,071.08, 15,278.50 and 6,103.40 is: 8,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.08 : 15,278.50 = 6,103.40 : x
  2. Step 2: Convert to fraction form
    11,071.08/15,278.50 = 6,103.40/x
  3. Step 3: Cross multiply
    11,071.08x = 15,278.50 × 6,103.40
  4. Step 4: Simplify right side
    11,071.08x = 93,250,796.90
  5. Step 5: Solve for x
    x = 93,250,796.90/11,071.08
  6. Step 6: Final answer
    x = 8,422.92

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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.