Home / 20,195.17-30,298.93-10,341.42

Finding the Fourth Proportional to 20,195.17, 30,298.93 and 10,341.42

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Solution

The fourth proportional to 20,195.17, 30,298.93 and 10,341.42 is: 15,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.17 : 30,298.93 = 10,341.42 : x
  2. Step 2: Convert to fraction form
    20,195.17/30,298.93 = 10,341.42/x
  3. Step 3: Cross multiply
    20,195.17x = 30,298.93 × 10,341.42
  4. Step 4: Simplify right side
    20,195.17x = 313,333,960.68
  5. Step 5: Solve for x
    x = 313,333,960.68/20,195.17
  6. Step 6: Final answer
    x = 15,515.30

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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.