Home / 14,236.62-21,303.90-8,691.36

Finding the Fourth Proportional to 14,236.62, 21,303.90 and 8,691.36

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Solution

The fourth proportional to 14,236.62, 21,303.90 and 8,691.36 is: 13,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.62 : 21,303.90 = 8,691.36 : x
  2. Step 2: Convert to fraction form
    14,236.62/21,303.90 = 8,691.36/x
  3. Step 3: Cross multiply
    14,236.62x = 21,303.90 × 8,691.36
  4. Step 4: Simplify right side
    14,236.62x = 185,159,864.30
  5. Step 5: Solve for x
    x = 185,159,864.30/14,236.62
  6. Step 6: Final answer
    x = 13,005.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.