Home / 11,552.81-17,336.90-6,289.15

Finding the Fourth Proportional to 11,552.81, 17,336.90 and 6,289.15

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Solution

The fourth proportional to 11,552.81, 17,336.90 and 6,289.15 is: 9,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.81 : 17,336.90 = 6,289.15 : x
  2. Step 2: Convert to fraction form
    11,552.81/17,336.90 = 6,289.15/x
  3. Step 3: Cross multiply
    11,552.81x = 17,336.90 × 6,289.15
  4. Step 4: Simplify right side
    11,552.81x = 109,034,277.95
  5. Step 5: Solve for x
    x = 109,034,277.95/11,552.81
  6. Step 6: Final answer
    x = 9,437.90

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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.