Home / 20,263.87-30,393.43-5,473.95

Finding the Fourth Proportional to 20,263.87, 30,393.43 and 5,473.95

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Solution

The fourth proportional to 20,263.87, 30,393.43 and 5,473.95 is: 8,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.87 : 30,393.43 = 5,473.95 : x
  2. Step 2: Convert to fraction form
    20,263.87/30,393.43 = 5,473.95/x
  3. Step 3: Cross multiply
    20,263.87x = 30,393.43 × 5,473.95
  4. Step 4: Simplify right side
    20,263.87x = 166,371,988.49
  5. Step 5: Solve for x
    x = 166,371,988.49/20,263.87
  6. Step 6: Final answer
    x = 8,210.28

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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.