Home / 12,599.49-17,387.31-6,934.65

Finding the Fourth Proportional to 12,599.49, 17,387.31 and 6,934.65

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Solution

The fourth proportional to 12,599.49, 17,387.31 and 6,934.65 is: 9,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.49 : 17,387.31 = 6,934.65 : x
  2. Step 2: Convert to fraction form
    12,599.49/17,387.31 = 6,934.65/x
  3. Step 3: Cross multiply
    12,599.49x = 17,387.31 × 6,934.65
  4. Step 4: Simplify right side
    12,599.49x = 120,574,787.68
  5. Step 5: Solve for x
    x = 120,574,787.68/12,599.49
  6. Step 6: Final answer
    x = 9,569.81

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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.