Home / 10,140.21-15,198.98-4,585.23

Finding the Fourth Proportional to 10,140.21, 15,198.98 and 4,585.23

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Solution

The fourth proportional to 10,140.21, 15,198.98 and 4,585.23 is: 6,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.21 : 15,198.98 = 4,585.23 : x
  2. Step 2: Convert to fraction form
    10,140.21/15,198.98 = 4,585.23/x
  3. Step 3: Cross multiply
    10,140.21x = 15,198.98 × 4,585.23
  4. Step 4: Simplify right side
    10,140.21x = 69,690,796.14
  5. Step 5: Solve for x
    x = 69,690,796.14/10,140.21
  6. Step 6: Final answer
    x = 6,872.72

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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.