Home / 22,302.57-33,443.28-12,945.45

Finding the Fourth Proportional to 22,302.57, 33,443.28 and 12,945.45

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Solution

The fourth proportional to 22,302.57, 33,443.28 and 12,945.45 is: 19,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,302.57 : 33,443.28 = 12,945.45 : x
  2. Step 2: Convert to fraction form
    22,302.57/33,443.28 = 12,945.45/x
  3. Step 3: Cross multiply
    22,302.57x = 33,443.28 × 12,945.45
  4. Step 4: Simplify right side
    22,302.57x = 432,938,434.49
  5. Step 5: Solve for x
    x = 432,938,434.49/22,302.57
  6. Step 6: Final answer
    x = 19,412.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.