Home / 12,594.29-17,380.12-6,928.92

Finding the Fourth Proportional to 12,594.29, 17,380.12 and 6,928.92

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Solution

The fourth proportional to 12,594.29, 17,380.12 and 6,928.92 is: 9,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.29 : 17,380.12 = 6,928.92 : x
  2. Step 2: Convert to fraction form
    12,594.29/17,380.12 = 6,928.92/x
  3. Step 3: Cross multiply
    12,594.29x = 17,380.12 × 6,928.92
  4. Step 4: Simplify right side
    12,594.29x = 120,425,417.62
  5. Step 5: Solve for x
    x = 120,425,417.62/12,594.29
  6. Step 6: Final answer
    x = 9,561.90

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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.