Home / 11,239.18-16,860.90-4,313.14

Finding the Fourth Proportional to 11,239.18, 16,860.90 and 4,313.14

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Solution

The fourth proportional to 11,239.18, 16,860.90 and 4,313.14 is: 6,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.18 : 16,860.90 = 4,313.14 : x
  2. Step 2: Convert to fraction form
    11,239.18/16,860.90 = 4,313.14/x
  3. Step 3: Cross multiply
    11,239.18x = 16,860.90 × 4,313.14
  4. Step 4: Simplify right side
    11,239.18x = 72,723,422.23
  5. Step 5: Solve for x
    x = 72,723,422.23/11,239.18
  6. Step 6: Final answer
    x = 6,470.53

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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.