Home / 12,559.08-17,331.84-6,894.39

Finding the Fourth Proportional to 12,559.08, 17,331.84 and 6,894.39

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Solution

The fourth proportional to 12,559.08, 17,331.84 and 6,894.39 is: 9,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.08 : 17,331.84 = 6,894.39 : x
  2. Step 2: Convert to fraction form
    12,559.08/17,331.84 = 6,894.39/x
  3. Step 3: Cross multiply
    12,559.08x = 17,331.84 × 6,894.39
  4. Step 4: Simplify right side
    12,559.08x = 119,492,464.38
  5. Step 5: Solve for x
    x = 119,492,464.38/12,559.08
  6. Step 6: Final answer
    x = 9,514.43

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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.