Home / 15,536.08-21,443.34-10,149.04

Finding the Fourth Proportional to 15,536.08, 21,443.34 and 10,149.04

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Solution

The fourth proportional to 15,536.08, 21,443.34 and 10,149.04 is: 14,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.08 : 21,443.34 = 10,149.04 : x
  2. Step 2: Convert to fraction form
    15,536.08/21,443.34 = 10,149.04/x
  3. Step 3: Cross multiply
    15,536.08x = 21,443.34 × 10,149.04
  4. Step 4: Simplify right side
    15,536.08x = 217,629,315.39
  5. Step 5: Solve for x
    x = 217,629,315.39/15,536.08
  6. Step 6: Final answer
    x = 14,007.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.