Home / 15,054.48-20,774.76-8,339.82

Finding the Fourth Proportional to 15,054.48, 20,774.76 and 8,339.82

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Solution

The fourth proportional to 15,054.48, 20,774.76 and 8,339.82 is: 11,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.48 : 20,774.76 = 8,339.82 : x
  2. Step 2: Convert to fraction form
    15,054.48/20,774.76 = 8,339.82/x
  3. Step 3: Cross multiply
    15,054.48x = 20,774.76 × 8,339.82
  4. Step 4: Simplify right side
    15,054.48x = 173,257,758.94
  5. Step 5: Solve for x
    x = 173,257,758.94/15,054.48
  6. Step 6: Final answer
    x = 11,508.72

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Double scale
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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.