Home / 15,537.08-21,440.76-8,463.08

Finding the Fourth Proportional to 15,537.08, 21,440.76 and 8,463.08

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Solution

The fourth proportional to 15,537.08, 21,440.76 and 8,463.08 is: 11,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.08 : 21,440.76 = 8,463.08 : x
  2. Step 2: Convert to fraction form
    15,537.08/21,440.76 = 8,463.08/x
  3. Step 3: Cross multiply
    15,537.08x = 21,440.76 × 8,463.08
  4. Step 4: Simplify right side
    15,537.08x = 181,454,867.14
  5. Step 5: Solve for x
    x = 181,454,867.14/15,537.08
  6. Step 6: Final answer
    x = 11,678.83

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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.