Home / 9,348.48-13,981.38-8,315.73

Finding the Fourth Proportional to 9,348.48, 13,981.38 and 8,315.73

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Solution

The fourth proportional to 9,348.48, 13,981.38 and 8,315.73 is: 12,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.48 : 13,981.38 = 8,315.73 : x
  2. Step 2: Convert to fraction form
    9,348.48/13,981.38 = 8,315.73/x
  3. Step 3: Cross multiply
    9,348.48x = 13,981.38 × 8,315.73
  4. Step 4: Simplify right side
    9,348.48x = 116,265,381.11
  5. Step 5: Solve for x
    x = 116,265,381.11/9,348.48
  6. Step 6: Final answer
    x = 12,436.82

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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.