Home / 15,719.13-21,693.33-9,006.84

Finding the Fourth Proportional to 15,719.13, 21,693.33 and 9,006.84

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Solution

The fourth proportional to 15,719.13, 21,693.33 and 9,006.84 is: 12,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.13 : 21,693.33 = 9,006.84 : x
  2. Step 2: Convert to fraction form
    15,719.13/21,693.33 = 9,006.84/x
  3. Step 3: Cross multiply
    15,719.13x = 21,693.33 × 9,006.84
  4. Step 4: Simplify right side
    15,719.13x = 195,388,352.38
  5. Step 5: Solve for x
    x = 195,388,352.38/15,719.13
  6. Step 6: Final answer
    x = 12,429.97

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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.