Home / 15,279.27-21,085.03-8,473.26

Finding the Fourth Proportional to 15,279.27, 21,085.03 and 8,473.26

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Solution

The fourth proportional to 15,279.27, 21,085.03 and 8,473.26 is: 11,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.27 : 21,085.03 = 8,473.26 : x
  2. Step 2: Convert to fraction form
    15,279.27/21,085.03 = 8,473.26/x
  3. Step 3: Cross multiply
    15,279.27x = 21,085.03 × 8,473.26
  4. Step 4: Simplify right side
    15,279.27x = 178,658,864.69
  5. Step 5: Solve for x
    x = 178,658,864.69/15,279.27
  6. Step 6: Final answer
    x = 11,692.90

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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.