Home / 10,853.99-14,960.46-9,912.97

Finding the Fourth Proportional to 10,853.99, 14,960.46 and 9,912.97

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Solution

The fourth proportional to 10,853.99, 14,960.46 and 9,912.97 is: 13,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.99 : 14,960.46 = 9,912.97 : x
  2. Step 2: Convert to fraction form
    10,853.99/14,960.46 = 9,912.97/x
  3. Step 3: Cross multiply
    10,853.99x = 14,960.46 × 9,912.97
  4. Step 4: Simplify right side
    10,853.99x = 148,302,591.17
  5. Step 5: Solve for x
    x = 148,302,591.17/10,853.99
  6. Step 6: Final answer
    x = 13,663.42

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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.