Home / 11,150.08-15,387.50-6,114.30

Finding the Fourth Proportional to 11,150.08, 15,387.50 and 6,114.30

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Solution

The fourth proportional to 11,150.08, 15,387.50 and 6,114.30 is: 8,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.08 : 15,387.50 = 6,114.30 : x
  2. Step 2: Convert to fraction form
    11,150.08/15,387.50 = 6,114.30/x
  3. Step 3: Cross multiply
    11,150.08x = 15,387.50 × 6,114.30
  4. Step 4: Simplify right side
    11,150.08x = 94,083,791.25
  5. Step 5: Solve for x
    x = 94,083,791.25/11,150.08
  6. Step 6: Final answer
    x = 8,437.95

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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.