Home / 16,455.81-22,692.42-12,432.54

Finding the Fourth Proportional to 16,455.81, 22,692.42 and 12,432.54

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Solution

The fourth proportional to 16,455.81, 22,692.42 and 12,432.54 is: 17,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.81 : 22,692.42 = 12,432.54 : x
  2. Step 2: Convert to fraction form
    16,455.81/22,692.42 = 12,432.54/x
  3. Step 3: Cross multiply
    16,455.81x = 22,692.42 × 12,432.54
  4. Step 4: Simplify right side
    16,455.81x = 282,124,419.35
  5. Step 5: Solve for x
    x = 282,124,419.35/16,455.81
  6. Step 6: Final answer
    x = 17,144.37

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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.