Home / 15,855.05-23,761.91-8,834.78

Finding the Fourth Proportional to 15,855.05, 23,761.91 and 8,834.78

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Solution

The fourth proportional to 15,855.05, 23,761.91 and 8,834.78 is: 13,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.05 : 23,761.91 = 8,834.78 : x
  2. Step 2: Convert to fraction form
    15,855.05/23,761.91 = 8,834.78/x
  3. Step 3: Cross multiply
    15,855.05x = 23,761.91 × 8,834.78
  4. Step 4: Simplify right side
    15,855.05x = 209,931,328.72
  5. Step 5: Solve for x
    x = 209,931,328.72/15,855.05
  6. Step 6: Final answer
    x = 13,240.66

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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.