Home / 15,536.57-21,440.99-8,463.65

Finding the Fourth Proportional to 15,536.57, 21,440.99 and 8,463.65

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Solution

The fourth proportional to 15,536.57, 21,440.99 and 8,463.65 is: 11,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.57 : 21,440.99 = 8,463.65 : x
  2. Step 2: Convert to fraction form
    15,536.57/21,440.99 = 8,463.65/x
  3. Step 3: Cross multiply
    15,536.57x = 21,440.99 × 8,463.65
  4. Step 4: Simplify right side
    15,536.57x = 181,468,992.70
  5. Step 5: Solve for x
    x = 181,468,992.70/15,536.57
  6. Step 6: Final answer
    x = 11,680.12

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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.