Home / 14,625.18-20,182.75-7,910.80

Finding the Fourth Proportional to 14,625.18, 20,182.75 and 7,910.80

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Solution

The fourth proportional to 14,625.18, 20,182.75 and 7,910.80 is: 10,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.18 : 20,182.75 = 7,910.80 : x
  2. Step 2: Convert to fraction form
    14,625.18/20,182.75 = 7,910.80/x
  3. Step 3: Cross multiply
    14,625.18x = 20,182.75 × 7,910.80
  4. Step 4: Simplify right side
    14,625.18x = 159,661,704.15
  5. Step 5: Solve for x
    x = 159,661,704.15/14,625.18
  6. Step 6: Final answer
    x = 10,916.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.