Home / 13,881.29-20,823.04-4,521.13

Finding the Fourth Proportional to 13,881.29, 20,823.04 and 4,521.13

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Solution

The fourth proportional to 13,881.29, 20,823.04 and 4,521.13 is: 6,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.29 : 20,823.04 = 4,521.13 : x
  2. Step 2: Convert to fraction form
    13,881.29/20,823.04 = 4,521.13/x
  3. Step 3: Cross multiply
    13,881.29x = 20,823.04 × 4,521.13
  4. Step 4: Simplify right side
    13,881.29x = 94,143,624.43
  5. Step 5: Solve for x
    x = 94,143,624.43/13,881.29
  6. Step 6: Final answer
    x = 6,782.05

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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.