Home / 15,274.43-21,079.59-8,562.23

Finding the Fourth Proportional to 15,274.43, 21,079.59 and 8,562.23

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Solution

The fourth proportional to 15,274.43, 21,079.59 and 8,562.23 is: 11,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.43 : 21,079.59 = 8,562.23 : x
  2. Step 2: Convert to fraction form
    15,274.43/21,079.59 = 8,562.23/x
  3. Step 3: Cross multiply
    15,274.43x = 21,079.59 × 8,562.23
  4. Step 4: Simplify right side
    15,274.43x = 180,488,297.89
  5. Step 5: Solve for x
    x = 180,488,297.89/15,274.43
  6. Step 6: Final answer
    x = 11,816.37

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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.