Home / 10,226.25-14,109.80-5,749.11

Finding the Fourth Proportional to 10,226.25, 14,109.80 and 5,749.11

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Solution

The fourth proportional to 10,226.25, 14,109.80 and 5,749.11 is: 7,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.25 : 14,109.80 = 5,749.11 : x
  2. Step 2: Convert to fraction form
    10,226.25/14,109.80 = 5,749.11/x
  3. Step 3: Cross multiply
    10,226.25x = 14,109.80 × 5,749.11
  4. Step 4: Simplify right side
    10,226.25x = 81,118,763.53
  5. Step 5: Solve for x
    x = 81,118,763.53/10,226.25
  6. Step 6: Final answer
    x = 7,932.41

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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.