Home / 20,264.85-30,390.70-6,752.43

Finding the Fourth Proportional to 20,264.85, 30,390.70 and 6,752.43

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Solution

The fourth proportional to 20,264.85, 30,390.70 and 6,752.43 is: 10,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.85 : 30,390.70 = 6,752.43 : x
  2. Step 2: Convert to fraction form
    20,264.85/30,390.70 = 6,752.43/x
  3. Step 3: Cross multiply
    20,264.85x = 30,390.70 × 6,752.43
  4. Step 4: Simplify right side
    20,264.85x = 205,211,074.40
  5. Step 5: Solve for x
    x = 205,211,074.40/20,264.85
  6. Step 6: Final answer
    x = 10,126.45

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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.