Home / 15,399.52-22,940.36-14,443.36

Finding the Fourth Proportional to 15,399.52, 22,940.36 and 14,443.36

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Solution

The fourth proportional to 15,399.52, 22,940.36 and 14,443.36 is: 21,515.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.52 : 22,940.36 = 14,443.36 : x
  2. Step 2: Convert to fraction form
    15,399.52/22,940.36 = 14,443.36/x
  3. Step 3: Cross multiply
    15,399.52x = 22,940.36 × 14,443.36
  4. Step 4: Simplify right side
    15,399.52x = 331,335,878.01
  5. Step 5: Solve for x
    x = 331,335,878.01/15,399.52
  6. Step 6: Final answer
    x = 21,515.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.