Home / 12,091.73-18,126.64-4,298.72

Finding the Fourth Proportional to 12,091.73, 18,126.64 and 4,298.72

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Solution

The fourth proportional to 12,091.73, 18,126.64 and 4,298.72 is: 6,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.73 : 18,126.64 = 4,298.72 : x
  2. Step 2: Convert to fraction form
    12,091.73/18,126.64 = 4,298.72/x
  3. Step 3: Cross multiply
    12,091.73x = 18,126.64 × 4,298.72
  4. Step 4: Simplify right side
    12,091.73x = 77,921,349.90
  5. Step 5: Solve for x
    x = 77,921,349.90/12,091.73
  6. Step 6: Final answer
    x = 6,444.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.