Home / 18,259.32-27,389.95-5,780.66

Finding the Fourth Proportional to 18,259.32, 27,389.95 and 5,780.66

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Solution

The fourth proportional to 18,259.32, 27,389.95 and 5,780.66 is: 8,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.32 : 27,389.95 = 5,780.66 : x
  2. Step 2: Convert to fraction form
    18,259.32/27,389.95 = 5,780.66/x
  3. Step 3: Cross multiply
    18,259.32x = 27,389.95 × 5,780.66
  4. Step 4: Simplify right side
    18,259.32x = 158,332,042.39
  5. Step 5: Solve for x
    x = 158,332,042.39/18,259.32
  6. Step 6: Final answer
    x = 8,671.30

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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.