Home / 18,038.78-27,058.54-6,192.48

Finding the Fourth Proportional to 18,038.78, 27,058.54 and 6,192.48

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Solution

The fourth proportional to 18,038.78, 27,058.54 and 6,192.48 is: 9,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.78 : 27,058.54 = 6,192.48 : x
  2. Step 2: Convert to fraction form
    18,038.78/27,058.54 = 6,192.48/x
  3. Step 3: Cross multiply
    18,038.78x = 27,058.54 × 6,192.48
  4. Step 4: Simplify right side
    18,038.78x = 167,559,565.38
  5. Step 5: Solve for x
    x = 167,559,565.38/18,038.78
  6. Step 6: Final answer
    x = 9,288.85

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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.