Home / 15,039.41-22,532.31-12,825.68

Finding the Fourth Proportional to 15,039.41, 22,532.31 and 12,825.68

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Solution

The fourth proportional to 15,039.41, 22,532.31 and 12,825.68 is: 19,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.41 : 22,532.31 = 12,825.68 : x
  2. Step 2: Convert to fraction form
    15,039.41/22,532.31 = 12,825.68/x
  3. Step 3: Cross multiply
    15,039.41x = 22,532.31 × 12,825.68
  4. Step 4: Simplify right side
    15,039.41x = 288,992,085.06
  5. Step 5: Solve for x
    x = 288,992,085.06/15,039.41
  6. Step 6: Final answer
    x = 19,215.66

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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.