Home / 17,948.25-26,909.91-7,948.26

Finding the Fourth Proportional to 17,948.25, 26,909.91 and 7,948.26

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Solution

The fourth proportional to 17,948.25, 26,909.91 and 7,948.26 is: 11,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.25 : 26,909.91 = 7,948.26 : x
  2. Step 2: Convert to fraction form
    17,948.25/26,909.91 = 7,948.26/x
  3. Step 3: Cross multiply
    17,948.25x = 26,909.91 × 7,948.26
  4. Step 4: Simplify right side
    17,948.25x = 213,886,961.26
  5. Step 5: Solve for x
    x = 213,886,961.26/17,948.25
  6. Step 6: Final answer
    x = 11,916.87

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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.