Home / 23,279.94-34,920.18-12,913.56

Finding the Fourth Proportional to 23,279.94, 34,920.18 and 12,913.56

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Solution

The fourth proportional to 23,279.94, 34,920.18 and 12,913.56 is: 19,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.94 : 34,920.18 = 12,913.56 : x
  2. Step 2: Convert to fraction form
    23,279.94/34,920.18 = 12,913.56/x
  3. Step 3: Cross multiply
    23,279.94x = 34,920.18 × 12,913.56
  4. Step 4: Simplify right side
    23,279.94x = 450,943,839.64
  5. Step 5: Solve for x
    x = 450,943,839.64/23,279.94
  6. Step 6: Final answer
    x = 19,370.49

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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.