Home / 11,456.12-15,812.10-6,741.92

Finding the Fourth Proportional to 11,456.12, 15,812.10 and 6,741.92

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Solution

The fourth proportional to 11,456.12, 15,812.10 and 6,741.92 is: 9,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.12 : 15,812.10 = 6,741.92 : x
  2. Step 2: Convert to fraction form
    11,456.12/15,812.10 = 6,741.92/x
  3. Step 3: Cross multiply
    11,456.12x = 15,812.10 × 6,741.92
  4. Step 4: Simplify right side
    11,456.12x = 106,603,913.23
  5. Step 5: Solve for x
    x = 106,603,913.23/11,456.12
  6. Step 6: Final answer
    x = 9,305.41

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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.