Home / 13,841.04-20,722.68-11,479.08

Finding the Fourth Proportional to 13,841.04, 20,722.68 and 11,479.08

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Solution

The fourth proportional to 13,841.04, 20,722.68 and 11,479.08 is: 17,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.04 : 20,722.68 = 11,479.08 : x
  2. Step 2: Convert to fraction form
    13,841.04/20,722.68 = 11,479.08/x
  3. Step 3: Cross multiply
    13,841.04x = 20,722.68 × 11,479.08
  4. Step 4: Simplify right side
    13,841.04x = 237,877,301.53
  5. Step 5: Solve for x
    x = 237,877,301.53/13,841.04
  6. Step 6: Final answer
    x = 17,186.37

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1.5x scale

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.