Home / 18,967.09-28,395.52-11,045.43

Finding the Fourth Proportional to 18,967.09, 28,395.52 and 11,045.43

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Solution

The fourth proportional to 18,967.09, 28,395.52 and 11,045.43 is: 16,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.09 : 28,395.52 = 11,045.43 : x
  2. Step 2: Convert to fraction form
    18,967.09/28,395.52 = 11,045.43/x
  3. Step 3: Cross multiply
    18,967.09x = 28,395.52 × 11,045.43
  4. Step 4: Simplify right side
    18,967.09x = 313,640,728.47
  5. Step 5: Solve for x
    x = 313,640,728.47/18,967.09
  6. Step 6: Final answer
    x = 16,536.05

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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.