Home / 15,758.73-23,643.54-6,999.78

Finding the Fourth Proportional to 15,758.73, 23,643.54 and 6,999.78

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Solution

The fourth proportional to 15,758.73, 23,643.54 and 6,999.78 is: 10,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.73 : 23,643.54 = 6,999.78 : x
  2. Step 2: Convert to fraction form
    15,758.73/23,643.54 = 6,999.78/x
  3. Step 3: Cross multiply
    15,758.73x = 23,643.54 × 6,999.78
  4. Step 4: Simplify right side
    15,758.73x = 165,499,578.42
  5. Step 5: Solve for x
    x = 165,499,578.42/15,758.73
  6. Step 6: Final answer
    x = 10,502.09

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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.