Home / 18,239.95-27,358.48-5,760.35

Finding the Fourth Proportional to 18,239.95, 27,358.48 and 5,760.35

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Solution

The fourth proportional to 18,239.95, 27,358.48 and 5,760.35 is: 8,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.95 : 27,358.48 = 5,760.35 : x
  2. Step 2: Convert to fraction form
    18,239.95/27,358.48 = 5,760.35/x
  3. Step 3: Cross multiply
    18,239.95x = 27,358.48 × 5,760.35
  4. Step 4: Simplify right side
    18,239.95x = 157,594,254.67
  5. Step 5: Solve for x
    x = 157,594,254.67/18,239.95
  6. Step 6: Final answer
    x = 8,640.06

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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.