Home / 19,631.28-27,091.61-10,679.26

Finding the Fourth Proportional to 19,631.28, 27,091.61 and 10,679.26

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Solution

The fourth proportional to 19,631.28, 27,091.61 and 10,679.26 is: 14,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.28 : 27,091.61 = 10,679.26 : x
  2. Step 2: Convert to fraction form
    19,631.28/27,091.61 = 10,679.26/x
  3. Step 3: Cross multiply
    19,631.28x = 27,091.61 × 10,679.26
  4. Step 4: Simplify right side
    19,631.28x = 289,318,347.01
  5. Step 5: Solve for x
    x = 289,318,347.01/19,631.28
  6. Step 6: Final answer
    x = 14,737.62

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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.