Home / 10,225.92-14,112.36-5,749.68

Finding the Fourth Proportional to 10,225.92, 14,112.36 and 5,749.68

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Solution

The fourth proportional to 10,225.92, 14,112.36 and 5,749.68 is: 7,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.92 : 14,112.36 = 5,749.68 : x
  2. Step 2: Convert to fraction form
    10,225.92/14,112.36 = 5,749.68/x
  3. Step 3: Cross multiply
    10,225.92x = 14,112.36 × 5,749.68
  4. Step 4: Simplify right side
    10,225.92x = 81,141,554.04
  5. Step 5: Solve for x
    x = 81,141,554.04/10,225.92
  6. Step 6: Final answer
    x = 7,934.89

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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.