Home / 16,289.12-22,481.40-10,321.34

Finding the Fourth Proportional to 16,289.12, 22,481.40 and 10,321.34

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Solution

The fourth proportional to 16,289.12, 22,481.40 and 10,321.34 is: 14,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.12 : 22,481.40 = 10,321.34 : x
  2. Step 2: Convert to fraction form
    16,289.12/22,481.40 = 10,321.34/x
  3. Step 3: Cross multiply
    16,289.12x = 22,481.40 × 10,321.34
  4. Step 4: Simplify right side
    16,289.12x = 232,038,167.77
  5. Step 5: Solve for x
    x = 232,038,167.77/16,289.12
  6. Step 6: Final answer
    x = 14,244.98

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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.