Home / 15,447.11-23,167.01-7,121.93

Finding the Fourth Proportional to 15,447.11, 23,167.01 and 7,121.93

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Solution

The fourth proportional to 15,447.11, 23,167.01 and 7,121.93 is: 10,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.11 : 23,167.01 = 7,121.93 : x
  2. Step 2: Convert to fraction form
    15,447.11/23,167.01 = 7,121.93/x
  3. Step 3: Cross multiply
    15,447.11x = 23,167.01 × 7,121.93
  4. Step 4: Simplify right side
    15,447.11x = 164,993,725.50
  5. Step 5: Solve for x
    x = 164,993,725.50/15,447.11
  6. Step 6: Final answer
    x = 10,681.21

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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.