Home / 15,145.34-22,706.92-7,137.38

Finding the Fourth Proportional to 15,145.34, 22,706.92 and 7,137.38

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Solution

The fourth proportional to 15,145.34, 22,706.92 and 7,137.38 is: 10,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.34 : 22,706.92 = 7,137.38 : x
  2. Step 2: Convert to fraction form
    15,145.34/22,706.92 = 7,137.38/x
  3. Step 3: Cross multiply
    15,145.34x = 22,706.92 × 7,137.38
  4. Step 4: Simplify right side
    15,145.34x = 162,067,916.67
  5. Step 5: Solve for x
    x = 162,067,916.67/15,145.34
  6. Step 6: Final answer
    x = 10,700.84

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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.