Home / 10,514.76-15,782.40-8,684.52

Finding the Fourth Proportional to 10,514.76, 15,782.40 and 8,684.52

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Solution

The fourth proportional to 10,514.76, 15,782.40 and 8,684.52 is: 13,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.76 : 15,782.40 = 8,684.52 : x
  2. Step 2: Convert to fraction form
    10,514.76/15,782.40 = 8,684.52/x
  3. Step 3: Cross multiply
    10,514.76x = 15,782.40 × 8,684.52
  4. Step 4: Simplify right side
    10,514.76x = 137,062,568.45
  5. Step 5: Solve for x
    x = 137,062,568.45/10,514.76
  6. Step 6: Final answer
    x = 13,035.25

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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.