Home / 18,064.92-24,935.36-12,688.65

Finding the Fourth Proportional to 18,064.92, 24,935.36 and 12,688.65

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Solution

The fourth proportional to 18,064.92, 24,935.36 and 12,688.65 is: 17,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.92 : 24,935.36 = 12,688.65 : x
  2. Step 2: Convert to fraction form
    18,064.92/24,935.36 = 12,688.65/x
  3. Step 3: Cross multiply
    18,064.92x = 24,935.36 × 12,688.65
  4. Step 4: Simplify right side
    18,064.92x = 316,395,992.22
  5. Step 5: Solve for x
    x = 316,395,992.22/18,064.92
  6. Step 6: Final answer
    x = 17,514.39

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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.