Home / 22,440.29-30,969.38-12,370.52

Finding the Fourth Proportional to 22,440.29, 30,969.38 and 12,370.52

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Solution

The fourth proportional to 22,440.29, 30,969.38 and 12,370.52 is: 17,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.29 : 30,969.38 = 12,370.52 : x
  2. Step 2: Convert to fraction form
    22,440.29/30,969.38 = 12,370.52/x
  3. Step 3: Cross multiply
    22,440.29x = 30,969.38 × 12,370.52
  4. Step 4: Simplify right side
    22,440.29x = 383,107,334.68
  5. Step 5: Solve for x
    x = 383,107,334.68/22,440.29
  6. Step 6: Final answer
    x = 17,072.30

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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.