Home / 14,774.52-20,388.48-8,486.76

Finding the Fourth Proportional to 14,774.52, 20,388.48 and 8,486.76

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Solution

The fourth proportional to 14,774.52, 20,388.48 and 8,486.76 is: 11,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.52 : 20,388.48 = 8,486.76 : x
  2. Step 2: Convert to fraction form
    14,774.52/20,388.48 = 8,486.76/x
  3. Step 3: Cross multiply
    14,774.52x = 20,388.48 × 8,486.76
  4. Step 4: Simplify right side
    14,774.52x = 173,032,136.52
  5. Step 5: Solve for x
    x = 173,032,136.52/14,774.52
  6. Step 6: Final answer
    x = 11,711.52

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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.