Home / 20,217.63-30,332.56-10,363.89

Finding the Fourth Proportional to 20,217.63, 30,332.56 and 10,363.89

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Solution

The fourth proportional to 20,217.63, 30,332.56 and 10,363.89 is: 15,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.63 : 30,332.56 = 10,363.89 : x
  2. Step 2: Convert to fraction form
    20,217.63/30,332.56 = 10,363.89/x
  3. Step 3: Cross multiply
    20,217.63x = 30,332.56 × 10,363.89
  4. Step 4: Simplify right side
    20,217.63x = 314,363,315.26
  5. Step 5: Solve for x
    x = 314,363,315.26/20,217.63
  6. Step 6: Final answer
    x = 15,548.97

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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.