Home / 11,077.50-15,287.03-6,601.44

Finding the Fourth Proportional to 11,077.50, 15,287.03 and 6,601.44

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Solution

The fourth proportional to 11,077.50, 15,287.03 and 6,601.44 is: 9,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.50 : 15,287.03 = 6,601.44 : x
  2. Step 2: Convert to fraction form
    11,077.50/15,287.03 = 6,601.44/x
  3. Step 3: Cross multiply
    11,077.50x = 15,287.03 × 6,601.44
  4. Step 4: Simplify right side
    11,077.50x = 100,916,411.32
  5. Step 5: Solve for x
    x = 100,916,411.32/11,077.50
  6. Step 6: Final answer
    x = 9,110.03

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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.