Home / 22,253.88-30,718.08-13,762.50

Finding the Fourth Proportional to 22,253.88, 30,718.08 and 13,762.50

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Solution

The fourth proportional to 22,253.88, 30,718.08 and 13,762.50 is: 18,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.88 : 30,718.08 = 13,762.50 : x
  2. Step 2: Convert to fraction form
    22,253.88/30,718.08 = 13,762.50/x
  3. Step 3: Cross multiply
    22,253.88x = 30,718.08 × 13,762.50
  4. Step 4: Simplify right side
    22,253.88x = 422,757,576
  5. Step 5: Solve for x
    x = 422,757,576/22,253.88
  6. Step 6: Final answer
    x = 18,997.03

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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.