Home / 13,866.90-20,804-4,983.13

Finding the Fourth Proportional to 13,866.90, 20,804 and 4,983.13

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Solution

The fourth proportional to 13,866.90, 20,804 and 4,983.13 is: 7,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.90 : 20,804 = 4,983.13 : x
  2. Step 2: Convert to fraction form
    13,866.90/20,804 = 4,983.13/x
  3. Step 3: Cross multiply
    13,866.90x = 20,804 × 4,983.13
  4. Step 4: Simplify right side
    13,866.90x = 103,669,036.52
  5. Step 5: Solve for x
    x = 103,669,036.52/13,866.90
  6. Step 6: Final answer
    x = 7,476.01

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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.