Home / 13,870.22-20,803.27-5,103.08

Finding the Fourth Proportional to 13,870.22, 20,803.27 and 5,103.08

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Solution

The fourth proportional to 13,870.22, 20,803.27 and 5,103.08 is: 7,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.22 : 20,803.27 = 5,103.08 : x
  2. Step 2: Convert to fraction form
    13,870.22/20,803.27 = 5,103.08/x
  3. Step 3: Cross multiply
    13,870.22x = 20,803.27 × 5,103.08
  4. Step 4: Simplify right side
    13,870.22x = 106,160,751.07
  5. Step 5: Solve for x
    x = 106,160,751.07/13,870.22
  6. Step 6: Final answer
    x = 7,653.86

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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.