Home / 18,933.64-28,397.18-7,084.24

Finding the Fourth Proportional to 18,933.64, 28,397.18 and 7,084.24

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Solution

The fourth proportional to 18,933.64, 28,397.18 and 7,084.24 is: 10,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.64 : 28,397.18 = 7,084.24 : x
  2. Step 2: Convert to fraction form
    18,933.64/28,397.18 = 7,084.24/x
  3. Step 3: Cross multiply
    18,933.64x = 28,397.18 × 7,084.24
  4. Step 4: Simplify right side
    18,933.64x = 201,172,438.44
  5. Step 5: Solve for x
    x = 201,172,438.44/18,933.64
  6. Step 6: Final answer
    x = 10,625.13

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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.