Home / 20,511.22-30,765.54-5,722.24

Finding the Fourth Proportional to 20,511.22, 30,765.54 and 5,722.24

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Solution

The fourth proportional to 20,511.22, 30,765.54 and 5,722.24 is: 8,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,511.22 : 30,765.54 = 5,722.24 : x
  2. Step 2: Convert to fraction form
    20,511.22/30,765.54 = 5,722.24/x
  3. Step 3: Cross multiply
    20,511.22x = 30,765.54 × 5,722.24
  4. Step 4: Simplify right side
    20,511.22x = 176,047,803.61
  5. Step 5: Solve for x
    x = 176,047,803.61/20,511.22
  6. Step 6: Final answer
    x = 8,583.00

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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.