Home / 16,563.95-22,842.60-12,781.15

Finding the Fourth Proportional to 16,563.95, 22,842.60 and 12,781.15

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Solution

The fourth proportional to 16,563.95, 22,842.60 and 12,781.15 is: 17,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,563.95 : 22,842.60 = 12,781.15 : x
  2. Step 2: Convert to fraction form
    16,563.95/22,842.60 = 12,781.15/x
  3. Step 3: Cross multiply
    16,563.95x = 22,842.60 × 12,781.15
  4. Step 4: Simplify right side
    16,563.95x = 291,954,696.99
  5. Step 5: Solve for x
    x = 291,954,696.99/16,563.95
  6. Step 6: Final answer
    x = 17,625.91

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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.