Home / 22,525.86-31,084.77-12,453.66

Finding the Fourth Proportional to 22,525.86, 31,084.77 and 12,453.66

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Solution

The fourth proportional to 22,525.86, 31,084.77 and 12,453.66 is: 17,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,525.86 : 31,084.77 = 12,453.66 : x
  2. Step 2: Convert to fraction form
    22,525.86/31,084.77 = 12,453.66/x
  3. Step 3: Cross multiply
    22,525.86x = 31,084.77 × 12,453.66
  4. Step 4: Simplify right side
    22,525.86x = 387,119,156.76
  5. Step 5: Solve for x
    x = 387,119,156.76/22,525.86
  6. Step 6: Final answer
    x = 17,185.54

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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.