Home / 10,355.35-15,514.80-8,496.40

Finding the Fourth Proportional to 10,355.35, 15,514.80 and 8,496.40

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Solution

The fourth proportional to 10,355.35, 15,514.80 and 8,496.40 is: 12,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.35 : 15,514.80 = 8,496.40 : x
  2. Step 2: Convert to fraction form
    10,355.35/15,514.80 = 8,496.40/x
  3. Step 3: Cross multiply
    10,355.35x = 15,514.80 × 8,496.40
  4. Step 4: Simplify right side
    10,355.35x = 131,819,946.72
  5. Step 5: Solve for x
    x = 131,819,946.72/10,355.35
  6. Step 6: Final answer
    x = 12,729.65

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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.