Home / 13,868.04-20,784.06-10,569

Finding the Fourth Proportional to 13,868.04, 20,784.06 and 10,569

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Solution

The fourth proportional to 13,868.04, 20,784.06 and 10,569 is: 15,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.04 : 20,784.06 = 10,569 : x
  2. Step 2: Convert to fraction form
    13,868.04/20,784.06 = 10,569/x
  3. Step 3: Cross multiply
    13,868.04x = 20,784.06 × 10,569
  4. Step 4: Simplify right side
    13,868.04x = 219,666,730.14
  5. Step 5: Solve for x
    x = 219,666,730.14/13,868.04
  6. Step 6: Final answer
    x = 15,839.78

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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.