Home / 13,904.16-20,862.01-5,590.06

Finding the Fourth Proportional to 13,904.16, 20,862.01 and 5,590.06

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Solution

The fourth proportional to 13,904.16, 20,862.01 and 5,590.06 is: 8,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.16 : 20,862.01 = 5,590.06 : x
  2. Step 2: Convert to fraction form
    13,904.16/20,862.01 = 5,590.06/x
  3. Step 3: Cross multiply
    13,904.16x = 20,862.01 × 5,590.06
  4. Step 4: Simplify right side
    13,904.16x = 116,619,928.36
  5. Step 5: Solve for x
    x = 116,619,928.36/13,904.16
  6. Step 6: Final answer
    x = 8,387.41

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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.