Home / 10,842.20-14,974.50-7,299.26

Finding the Fourth Proportional to 10,842.20, 14,974.50 and 7,299.26

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Solution

The fourth proportional to 10,842.20, 14,974.50 and 7,299.26 is: 10,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.20 : 14,974.50 = 7,299.26 : x
  2. Step 2: Convert to fraction form
    10,842.20/14,974.50 = 7,299.26/x
  3. Step 3: Cross multiply
    10,842.20x = 14,974.50 × 7,299.26
  4. Step 4: Simplify right side
    10,842.20x = 109,302,768.87
  5. Step 5: Solve for x
    x = 109,302,768.87/10,842.20
  6. Step 6: Final answer
    x = 10,081.24

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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.