Home / 18,390.40-27,541.52-10,057.92

Finding the Fourth Proportional to 18,390.40, 27,541.52 and 10,057.92

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Solution

The fourth proportional to 18,390.40, 27,541.52 and 10,057.92 is: 15,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.40 : 27,541.52 = 10,057.92 : x
  2. Step 2: Convert to fraction form
    18,390.40/27,541.52 = 10,057.92/x
  3. Step 3: Cross multiply
    18,390.40x = 27,541.52 × 10,057.92
  4. Step 4: Simplify right side
    18,390.40x = 277,010,404.84
  5. Step 5: Solve for x
    x = 277,010,404.84/18,390.40
  6. Step 6: Final answer
    x = 15,062.77

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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.