Home / 14,049.21-19,391.76-8,740.89

Finding the Fourth Proportional to 14,049.21, 19,391.76 and 8,740.89

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Solution

The fourth proportional to 14,049.21, 19,391.76 and 8,740.89 is: 12,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.21 : 19,391.76 = 8,740.89 : x
  2. Step 2: Convert to fraction form
    14,049.21/19,391.76 = 8,740.89/x
  3. Step 3: Cross multiply
    14,049.21x = 19,391.76 × 8,740.89
  4. Step 4: Simplify right side
    14,049.21x = 169,501,241.07
  5. Step 5: Solve for x
    x = 169,501,241.07/14,049.21
  6. Step 6: Final answer
    x = 12,064.82

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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.