Home / 13,223.16-19,849.14-6,990.84

Finding the Fourth Proportional to 13,223.16, 19,849.14 and 6,990.84

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Solution

The fourth proportional to 13,223.16, 19,849.14 and 6,990.84 is: 10,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.16 : 19,849.14 = 6,990.84 : x
  2. Step 2: Convert to fraction form
    13,223.16/19,849.14 = 6,990.84/x
  3. Step 3: Cross multiply
    13,223.16x = 19,849.14 × 6,990.84
  4. Step 4: Simplify right side
    13,223.16x = 138,762,161.88
  5. Step 5: Solve for x
    x = 138,762,161.88/13,223.16
  6. Step 6: Final answer
    x = 10,493.87

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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.