Home / 18,530.42-27,780.06-15,011.71

Finding the Fourth Proportional to 18,530.42, 27,780.06 and 15,011.71

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Solution

The fourth proportional to 18,530.42, 27,780.06 and 15,011.71 is: 22,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.42 : 27,780.06 = 15,011.71 : x
  2. Step 2: Convert to fraction form
    18,530.42/27,780.06 = 15,011.71/x
  3. Step 3: Cross multiply
    18,530.42x = 27,780.06 × 15,011.71
  4. Step 4: Simplify right side
    18,530.42x = 417,026,078.76
  5. Step 5: Solve for x
    x = 417,026,078.76/18,530.42
  6. Step 6: Final answer
    x = 22,504.94

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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.