Home / 21,085.25-31,633.36-6,294.17

Finding the Fourth Proportional to 21,085.25, 31,633.36 and 6,294.17

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Solution

The fourth proportional to 21,085.25, 31,633.36 and 6,294.17 is: 9,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085.25 : 31,633.36 = 6,294.17 : x
  2. Step 2: Convert to fraction form
    21,085.25/31,633.36 = 6,294.17/x
  3. Step 3: Cross multiply
    21,085.25x = 31,633.36 × 6,294.17
  4. Step 4: Simplify right side
    21,085.25x = 199,105,808.86
  5. Step 5: Solve for x
    x = 199,105,808.86/21,085.25
  6. Step 6: Final answer
    x = 9,442.89

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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.