Home / 13,868.07-20,803.16-4,007.43

Finding the Fourth Proportional to 13,868.07, 20,803.16 and 4,007.43

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Solution

The fourth proportional to 13,868.07, 20,803.16 and 4,007.43 is: 6,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.07 : 20,803.16 = 4,007.43 : x
  2. Step 2: Convert to fraction form
    13,868.07/20,803.16 = 4,007.43/x
  3. Step 3: Cross multiply
    13,868.07x = 20,803.16 × 4,007.43
  4. Step 4: Simplify right side
    13,868.07x = 83,367,207.48
  5. Step 5: Solve for x
    x = 83,367,207.48/13,868.07
  6. Step 6: Final answer
    x = 6,011.45

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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.