Home / 12,559.62-17,332.50-6,894.90

Finding the Fourth Proportional to 12,559.62, 17,332.50 and 6,894.90

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Solution

The fourth proportional to 12,559.62, 17,332.50 and 6,894.90 is: 9,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.62 : 17,332.50 = 6,894.90 : x
  2. Step 2: Convert to fraction form
    12,559.62/17,332.50 = 6,894.90/x
  3. Step 3: Cross multiply
    12,559.62x = 17,332.50 × 6,894.90
  4. Step 4: Simplify right side
    12,559.62x = 119,505,854.25
  5. Step 5: Solve for x
    x = 119,505,854.25/12,559.62
  6. Step 6: Final answer
    x = 9,515.09

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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.