Home / 11,187.57-15,437.93-6,587.61

Finding the Fourth Proportional to 11,187.57, 15,437.93 and 6,587.61

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Solution

The fourth proportional to 11,187.57, 15,437.93 and 6,587.61 is: 9,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.57 : 15,437.93 = 6,587.61 : x
  2. Step 2: Convert to fraction form
    11,187.57/15,437.93 = 6,587.61/x
  3. Step 3: Cross multiply
    11,187.57x = 15,437.93 × 6,587.61
  4. Step 4: Simplify right side
    11,187.57x = 101,699,029.11
  5. Step 5: Solve for x
    x = 101,699,029.11/11,187.57
  6. Step 6: Final answer
    x = 9,090.36

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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.