Home / 9,063.47-13,589.66-8,289.99

Finding the Fourth Proportional to 9,063.47, 13,589.66 and 8,289.99

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Solution

The fourth proportional to 9,063.47, 13,589.66 and 8,289.99 is: 12,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.47 : 13,589.66 = 8,289.99 : x
  2. Step 2: Convert to fraction form
    9,063.47/13,589.66 = 8,289.99/x
  3. Step 3: Cross multiply
    9,063.47x = 13,589.66 × 8,289.99
  4. Step 4: Simplify right side
    9,063.47x = 112,658,166.23
  5. Step 5: Solve for x
    x = 112,658,166.23/9,063.47
  6. Step 6: Final answer
    x = 12,429.91

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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.