Home / 18,717.38-28,061.34-9,352.58

Finding the Fourth Proportional to 18,717.38, 28,061.34 and 9,352.58

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Solution

The fourth proportional to 18,717.38, 28,061.34 and 9,352.58 is: 14,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.38 : 28,061.34 = 9,352.58 : x
  2. Step 2: Convert to fraction form
    18,717.38/28,061.34 = 9,352.58/x
  3. Step 3: Cross multiply
    18,717.38x = 28,061.34 × 9,352.58
  4. Step 4: Simplify right side
    18,717.38x = 262,445,927.26
  5. Step 5: Solve for x
    x = 262,445,927.26/18,717.38
  6. Step 6: Final answer
    x = 14,021.51

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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.