Home / 20,419.01-30,622.03-6,564.77

Finding the Fourth Proportional to 20,419.01, 30,622.03 and 6,564.77

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Solution

The fourth proportional to 20,419.01, 30,622.03 and 6,564.77 is: 9,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419.01 : 30,622.03 = 6,564.77 : x
  2. Step 2: Convert to fraction form
    20,419.01/30,622.03 = 6,564.77/x
  3. Step 3: Cross multiply
    20,419.01x = 30,622.03 × 6,564.77
  4. Step 4: Simplify right side
    20,419.01x = 201,026,397.95
  5. Step 5: Solve for x
    x = 201,026,397.95/20,419.01
  6. Step 6: Final answer
    x = 9,845.06

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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.