Home / 18,726.74-28,094.16-5,580.17

Finding the Fourth Proportional to 18,726.74, 28,094.16 and 5,580.17

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Solution

The fourth proportional to 18,726.74, 28,094.16 and 5,580.17 is: 8,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.74 : 28,094.16 = 5,580.17 : x
  2. Step 2: Convert to fraction form
    18,726.74/28,094.16 = 5,580.17/x
  3. Step 3: Cross multiply
    18,726.74x = 28,094.16 × 5,580.17
  4. Step 4: Simplify right side
    18,726.74x = 156,770,188.81
  5. Step 5: Solve for x
    x = 156,770,188.81/18,726.74
  6. Step 6: Final answer
    x = 8,371.46

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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.