Home / 14,132.80-21,209.73-5,384.80

Finding the Fourth Proportional to 14,132.80, 21,209.73 and 5,384.80

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Solution

The fourth proportional to 14,132.80, 21,209.73 and 5,384.80 is: 8,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.80 : 21,209.73 = 5,384.80 : x
  2. Step 2: Convert to fraction form
    14,132.80/21,209.73 = 5,384.80/x
  3. Step 3: Cross multiply
    14,132.80x = 21,209.73 × 5,384.80
  4. Step 4: Simplify right side
    14,132.80x = 114,210,154.10
  5. Step 5: Solve for x
    x = 114,210,154.10/14,132.80
  6. Step 6: Final answer
    x = 8,081.21

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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.