Home / 20,264.84-30,400.30-7,114.90

Finding the Fourth Proportional to 20,264.84, 30,400.30 and 7,114.90

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Solution

The fourth proportional to 20,264.84, 30,400.30 and 7,114.90 is: 10,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.84 : 30,400.30 = 7,114.90 : x
  2. Step 2: Convert to fraction form
    20,264.84/30,400.30 = 7,114.90/x
  3. Step 3: Cross multiply
    20,264.84x = 30,400.30 × 7,114.90
  4. Step 4: Simplify right side
    20,264.84x = 216,295,094.47
  5. Step 5: Solve for x
    x = 216,295,094.47/20,264.84
  6. Step 6: Final answer
    x = 10,673.42

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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.