Home / 21,484.77-29,649.23-11,924.85

Finding the Fourth Proportional to 21,484.77, 29,649.23 and 11,924.85

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Solution

The fourth proportional to 21,484.77, 29,649.23 and 11,924.85 is: 16,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.77 : 29,649.23 = 11,924.85 : x
  2. Step 2: Convert to fraction form
    21,484.77/29,649.23 = 11,924.85/x
  3. Step 3: Cross multiply
    21,484.77x = 29,649.23 × 11,924.85
  4. Step 4: Simplify right side
    21,484.77x = 353,562,449.71
  5. Step 5: Solve for x
    x = 353,562,449.71/21,484.77
  6. Step 6: Final answer
    x = 16,456.42

Related Problems

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Half scale
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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.