Home / 18,747.48-28,111.95-6,263.22

Finding the Fourth Proportional to 18,747.48, 28,111.95 and 6,263.22

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Solution

The fourth proportional to 18,747.48, 28,111.95 and 6,263.22 is: 9,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.48 : 28,111.95 = 6,263.22 : x
  2. Step 2: Convert to fraction form
    18,747.48/28,111.95 = 6,263.22/x
  3. Step 3: Cross multiply
    18,747.48x = 28,111.95 × 6,263.22
  4. Step 4: Simplify right side
    18,747.48x = 176,071,327.48
  5. Step 5: Solve for x
    x = 176,071,327.48/18,747.48
  6. Step 6: Final answer
    x = 9,391.73

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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.