Home / 20,622.03-30,909.12-9,505.35

Finding the Fourth Proportional to 20,622.03, 30,909.12 and 9,505.35

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Solution

The fourth proportional to 20,622.03, 30,909.12 and 9,505.35 is: 14,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622.03 : 30,909.12 = 9,505.35 : x
  2. Step 2: Convert to fraction form
    20,622.03/30,909.12 = 9,505.35/x
  3. Step 3: Cross multiply
    20,622.03x = 30,909.12 × 9,505.35
  4. Step 4: Simplify right side
    20,622.03x = 293,802,003.79
  5. Step 5: Solve for x
    x = 293,802,003.79/20,622.03
  6. Step 6: Final answer
    x = 14,247.00

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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.