Home / 12,944.16-19,420.56-5,545.44

Finding the Fourth Proportional to 12,944.16, 19,420.56 and 5,545.44

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Solution

The fourth proportional to 12,944.16, 19,420.56 and 5,545.44 is: 8,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.16 : 19,420.56 = 5,545.44 : x
  2. Step 2: Convert to fraction form
    12,944.16/19,420.56 = 5,545.44/x
  3. Step 3: Cross multiply
    12,944.16x = 19,420.56 × 5,545.44
  4. Step 4: Simplify right side
    12,944.16x = 107,695,550.25
  5. Step 5: Solve for x
    x = 107,695,550.25/12,944.16
  6. Step 6: Final answer
    x = 8,320.01

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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.