Home / 16,918.60-25,329.30-10,357.60

Finding the Fourth Proportional to 16,918.60, 25,329.30 and 10,357.60

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Solution

The fourth proportional to 16,918.60, 25,329.30 and 10,357.60 is: 15,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.60 : 25,329.30 = 10,357.60 : x
  2. Step 2: Convert to fraction form
    16,918.60/25,329.30 = 10,357.60/x
  3. Step 3: Cross multiply
    16,918.60x = 25,329.30 × 10,357.60
  4. Step 4: Simplify right side
    16,918.60x = 262,350,757.68
  5. Step 5: Solve for x
    x = 262,350,757.68/16,918.60
  6. Step 6: Final answer
    x = 15,506.65

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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.