Home / 14,004.97-21,011.10-5,240.58

Finding the Fourth Proportional to 14,004.97, 21,011.10 and 5,240.58

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Solution

The fourth proportional to 14,004.97, 21,011.10 and 5,240.58 is: 7,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.97 : 21,011.10 = 5,240.58 : x
  2. Step 2: Convert to fraction form
    14,004.97/21,011.10 = 5,240.58/x
  3. Step 3: Cross multiply
    14,004.97x = 21,011.10 × 5,240.58
  4. Step 4: Simplify right side
    14,004.97x = 110,110,350.44
  5. Step 5: Solve for x
    x = 110,110,350.44/14,004.97
  6. Step 6: Final answer
    x = 7,862.23

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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.