Home / 15,559.92-21,474.50-8,846.55

Finding the Fourth Proportional to 15,559.92, 21,474.50 and 8,846.55

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Solution

The fourth proportional to 15,559.92, 21,474.50 and 8,846.55 is: 12,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.92 : 21,474.50 = 8,846.55 : x
  2. Step 2: Convert to fraction form
    15,559.92/21,474.50 = 8,846.55/x
  3. Step 3: Cross multiply
    15,559.92x = 21,474.50 × 8,846.55
  4. Step 4: Simplify right side
    15,559.92x = 189,975,237.98
  5. Step 5: Solve for x
    x = 189,975,237.98/15,559.92
  6. Step 6: Final answer
    x = 12,209.27

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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.