Home / 20,612.52-30,918.42-6,572.34

Finding the Fourth Proportional to 20,612.52, 30,918.42 and 6,572.34

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Solution

The fourth proportional to 20,612.52, 30,918.42 and 6,572.34 is: 9,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,612.52 : 30,918.42 = 6,572.34 : x
  2. Step 2: Convert to fraction form
    20,612.52/30,918.42 = 6,572.34/x
  3. Step 3: Cross multiply
    20,612.52x = 30,918.42 × 6,572.34
  4. Step 4: Simplify right side
    20,612.52x = 203,206,368.50
  5. Step 5: Solve for x
    x = 203,206,368.50/20,612.52
  6. Step 6: Final answer
    x = 9,858.40

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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.