Home / 15,524.53-21,423.15-8,450.93

Finding the Fourth Proportional to 15,524.53, 21,423.15 and 8,450.93

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Solution

The fourth proportional to 15,524.53, 21,423.15 and 8,450.93 is: 11,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.53 : 21,423.15 = 8,450.93 : x
  2. Step 2: Convert to fraction form
    15,524.53/21,423.15 = 8,450.93/x
  3. Step 3: Cross multiply
    15,524.53x = 21,423.15 × 8,450.93
  4. Step 4: Simplify right side
    15,524.53x = 181,045,594.59
  5. Step 5: Solve for x
    x = 181,045,594.59/15,524.53
  6. Step 6: Final answer
    x = 11,661.91

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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.