Home / 22,218.48-30,658.56-14,271.48

Finding the Fourth Proportional to 22,218.48, 30,658.56 and 14,271.48

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Solution

The fourth proportional to 22,218.48, 30,658.56 and 14,271.48 is: 19,692.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.48 : 30,658.56 = 14,271.48 : x
  2. Step 2: Convert to fraction form
    22,218.48/30,658.56 = 14,271.48/x
  3. Step 3: Cross multiply
    22,218.48x = 30,658.56 × 14,271.48
  4. Step 4: Simplify right side
    22,218.48x = 437,543,025.87
  5. Step 5: Solve for x
    x = 437,543,025.87/22,218.48
  6. Step 6: Final answer
    x = 19,692.75

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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.