Home / 20,258.53-30,401.39-7,110.94

Finding the Fourth Proportional to 20,258.53, 30,401.39 and 7,110.94

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Solution

The fourth proportional to 20,258.53, 30,401.39 and 7,110.94 is: 10,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.53 : 30,401.39 = 7,110.94 : x
  2. Step 2: Convert to fraction form
    20,258.53/30,401.39 = 7,110.94/x
  3. Step 3: Cross multiply
    20,258.53x = 30,401.39 × 7,110.94
  4. Step 4: Simplify right side
    20,258.53x = 216,182,460.21
  5. Step 5: Solve for x
    x = 216,182,460.21/20,258.53
  6. Step 6: Final answer
    x = 10,671.18

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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.