Home / 15,369.72-23,017.61-8,775.92

Finding the Fourth Proportional to 15,369.72, 23,017.61 and 8,775.92

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Solution

The fourth proportional to 15,369.72, 23,017.61 and 8,775.92 is: 13,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.72 : 23,017.61 = 8,775.92 : x
  2. Step 2: Convert to fraction form
    15,369.72/23,017.61 = 8,775.92/x
  3. Step 3: Cross multiply
    15,369.72x = 23,017.61 × 8,775.92
  4. Step 4: Simplify right side
    15,369.72x = 202,000,544.98
  5. Step 5: Solve for x
    x = 202,000,544.98/15,369.72
  6. Step 6: Final answer
    x = 13,142.76

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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.