Home / 18,330.48-25,298.52-10,878.96

Finding the Fourth Proportional to 18,330.48, 25,298.52 and 10,878.96

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Solution

The fourth proportional to 18,330.48, 25,298.52 and 10,878.96 is: 15,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.48 : 25,298.52 = 10,878.96 : x
  2. Step 2: Convert to fraction form
    18,330.48/25,298.52 = 10,878.96/x
  3. Step 3: Cross multiply
    18,330.48x = 25,298.52 × 10,878.96
  4. Step 4: Simplify right side
    18,330.48x = 275,221,587.14
  5. Step 5: Solve for x
    x = 275,221,587.14/18,330.48
  6. Step 6: Final answer
    x = 15,014.42

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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.