Home / 10,514.04-15,772.67-3,119.64

Finding the Fourth Proportional to 10,514.04, 15,772.67 and 3,119.64

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Solution

The fourth proportional to 10,514.04, 15,772.67 and 3,119.64 is: 4,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.04 : 15,772.67 = 3,119.64 : x
  2. Step 2: Convert to fraction form
    10,514.04/15,772.67 = 3,119.64/x
  3. Step 3: Cross multiply
    10,514.04x = 15,772.67 × 3,119.64
  4. Step 4: Simplify right side
    10,514.04x = 49,205,052.24
  5. Step 5: Solve for x
    x = 49,205,052.24/10,514.04
  6. Step 6: Final answer
    x = 4,679.94

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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.