Home / 9,538.18-14,315.47-8,299.79

Finding the Fourth Proportional to 9,538.18, 14,315.47 and 8,299.79

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Solution

The fourth proportional to 9,538.18, 14,315.47 and 8,299.79 is: 12,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.18 : 14,315.47 = 8,299.79 : x
  2. Step 2: Convert to fraction form
    9,538.18/14,315.47 = 8,299.79/x
  3. Step 3: Cross multiply
    9,538.18x = 14,315.47 × 8,299.79
  4. Step 4: Simplify right side
    9,538.18x = 118,815,409.79
  5. Step 5: Solve for x
    x = 118,815,409.79/9,538.18
  6. Step 6: Final answer
    x = 12,456.83

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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.