Home / 20,263.35-30,398.04-7,113.39

Finding the Fourth Proportional to 20,263.35, 30,398.04 and 7,113.39

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Solution

The fourth proportional to 20,263.35, 30,398.04 and 7,113.39 is: 10,671.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.35 : 30,398.04 = 7,113.39 : x
  2. Step 2: Convert to fraction form
    20,263.35/30,398.04 = 7,113.39/x
  3. Step 3: Cross multiply
    20,263.35x = 30,398.04 × 7,113.39
  4. Step 4: Simplify right side
    20,263.35x = 216,233,113.76
  5. Step 5: Solve for x
    x = 216,233,113.76/20,263.35
  6. Step 6: Final answer
    x = 10,671.14

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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.