Home / 18,358.12-25,346.38-14,101.56

Finding the Fourth Proportional to 18,358.12, 25,346.38 and 14,101.56

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Solution

The fourth proportional to 18,358.12, 25,346.38 and 14,101.56 is: 19,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.12 : 25,346.38 = 14,101.56 : x
  2. Step 2: Convert to fraction form
    18,358.12/25,346.38 = 14,101.56/x
  3. Step 3: Cross multiply
    18,358.12x = 25,346.38 × 14,101.56
  4. Step 4: Simplify right side
    18,358.12x = 357,423,498.35
  5. Step 5: Solve for x
    x = 357,423,498.35/18,358.12
  6. Step 6: Final answer
    x = 19,469.50

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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.