Home / 18,329.82-25,298.76-10,778.64

Finding the Fourth Proportional to 18,329.82, 25,298.76 and 10,778.64

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Solution

The fourth proportional to 18,329.82, 25,298.76 and 10,778.64 is: 14,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.82 : 25,298.76 = 10,778.64 : x
  2. Step 2: Convert to fraction form
    18,329.82/25,298.76 = 10,778.64/x
  3. Step 3: Cross multiply
    18,329.82x = 25,298.76 × 10,778.64
  4. Step 4: Simplify right side
    18,329.82x = 272,686,226.49
  5. Step 5: Solve for x
    x = 272,686,226.49/18,329.82
  6. Step 6: Final answer
    x = 14,876.65

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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.