Home / 20,496.65-28,284.89-11,544.18

Finding the Fourth Proportional to 20,496.65, 28,284.89 and 11,544.18

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Solution

The fourth proportional to 20,496.65, 28,284.89 and 11,544.18 is: 15,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.65 : 28,284.89 = 11,544.18 : x
  2. Step 2: Convert to fraction form
    20,496.65/28,284.89 = 11,544.18/x
  3. Step 3: Cross multiply
    20,496.65x = 28,284.89 × 11,544.18
  4. Step 4: Simplify right side
    20,496.65x = 326,525,803.72
  5. Step 5: Solve for x
    x = 326,525,803.72/20,496.65
  6. Step 6: Final answer
    x = 15,930.70

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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.