Home / 22,022.92-30,386.64-12,591.28

Finding the Fourth Proportional to 22,022.92, 30,386.64 and 12,591.28

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Solution

The fourth proportional to 22,022.92, 30,386.64 and 12,591.28 is: 17,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.92 : 30,386.64 = 12,591.28 : x
  2. Step 2: Convert to fraction form
    22,022.92/30,386.64 = 12,591.28/x
  3. Step 3: Cross multiply
    22,022.92x = 30,386.64 × 12,591.28
  4. Step 4: Simplify right side
    22,022.92x = 382,606,692.50
  5. Step 5: Solve for x
    x = 382,606,692.50/22,022.92
  6. Step 6: Final answer
    x = 17,373.11

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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.