Home / 18,749.41-28,104.51-8,876.93

Finding the Fourth Proportional to 18,749.41, 28,104.51 and 8,876.93

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Solution

The fourth proportional to 18,749.41, 28,104.51 and 8,876.93 is: 13,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.41 : 28,104.51 = 8,876.93 : x
  2. Step 2: Convert to fraction form
    18,749.41/28,104.51 = 8,876.93/x
  3. Step 3: Cross multiply
    18,749.41x = 28,104.51 × 8,876.93
  4. Step 4: Simplify right side
    18,749.41x = 249,481,766.11
  5. Step 5: Solve for x
    x = 249,481,766.11/18,749.41
  6. Step 6: Final answer
    x = 13,306.11

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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.