Home / 20,386.86-30,575.54-5,596.97

Finding the Fourth Proportional to 20,386.86, 30,575.54 and 5,596.97

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Solution

The fourth proportional to 20,386.86, 30,575.54 and 5,596.97 is: 8,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386.86 : 30,575.54 = 5,596.97 : x
  2. Step 2: Convert to fraction form
    20,386.86/30,575.54 = 5,596.97/x
  3. Step 3: Cross multiply
    20,386.86x = 30,575.54 × 5,596.97
  4. Step 4: Simplify right side
    20,386.86x = 171,130,241.23
  5. Step 5: Solve for x
    x = 171,130,241.23/20,386.86
  6. Step 6: Final answer
    x = 8,394.15

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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.