Home / 10,012.04-15,008.77-4,749.52

Finding the Fourth Proportional to 10,012.04, 15,008.77 and 4,749.52

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Solution

The fourth proportional to 10,012.04, 15,008.77 and 4,749.52 is: 7,119.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.04 : 15,008.77 = 4,749.52 : x
  2. Step 2: Convert to fraction form
    10,012.04/15,008.77 = 4,749.52/x
  3. Step 3: Cross multiply
    10,012.04x = 15,008.77 × 4,749.52
  4. Step 4: Simplify right side
    10,012.04x = 71,284,453.29
  5. Step 5: Solve for x
    x = 71,284,453.29/10,012.04
  6. Step 6: Final answer
    x = 7,119.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.