Home / 18,058.95-27,088.56-4,911.30

Finding the Fourth Proportional to 18,058.95, 27,088.56 and 4,911.30

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Solution

The fourth proportional to 18,058.95, 27,088.56 and 4,911.30 is: 7,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.95 : 27,088.56 = 4,911.30 : x
  2. Step 2: Convert to fraction form
    18,058.95/27,088.56 = 4,911.30/x
  3. Step 3: Cross multiply
    18,058.95x = 27,088.56 × 4,911.30
  4. Step 4: Simplify right side
    18,058.95x = 133,040,044.73
  5. Step 5: Solve for x
    x = 133,040,044.73/18,058.95
  6. Step 6: Final answer
    x = 7,366.99

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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.