Home / 15,986.03-22,060.85-8,912.93

Finding the Fourth Proportional to 15,986.03, 22,060.85 and 8,912.93

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Solution

The fourth proportional to 15,986.03, 22,060.85 and 8,912.93 is: 12,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.03 : 22,060.85 = 8,912.93 : x
  2. Step 2: Convert to fraction form
    15,986.03/22,060.85 = 8,912.93/x
  3. Step 3: Cross multiply
    15,986.03x = 22,060.85 × 8,912.93
  4. Step 4: Simplify right side
    15,986.03x = 196,626,656.92
  5. Step 5: Solve for x
    x = 196,626,656.92/15,986.03
  6. Step 6: Final answer
    x = 12,299.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.