Home / 15,900.18-23,855.85-7,135.98

Finding the Fourth Proportional to 15,900.18, 23,855.85 and 7,135.98

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Solution

The fourth proportional to 15,900.18, 23,855.85 and 7,135.98 is: 10,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.18 : 23,855.85 = 7,135.98 : x
  2. Step 2: Convert to fraction form
    15,900.18/23,855.85 = 7,135.98/x
  3. Step 3: Cross multiply
    15,900.18x = 23,855.85 × 7,135.98
  4. Step 4: Simplify right side
    15,900.18x = 170,234,868.48
  5. Step 5: Solve for x
    x = 170,234,868.48/15,900.18
  6. Step 6: Final answer
    x = 10,706.47

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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.