Home / 20,493.07-30,739.51-6,454.29

Finding the Fourth Proportional to 20,493.07, 30,739.51 and 6,454.29

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Solution

The fourth proportional to 20,493.07, 30,739.51 and 6,454.29 is: 9,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493.07 : 30,739.51 = 6,454.29 : x
  2. Step 2: Convert to fraction form
    20,493.07/30,739.51 = 6,454.29/x
  3. Step 3: Cross multiply
    20,493.07x = 30,739.51 × 6,454.29
  4. Step 4: Simplify right side
    20,493.07x = 198,401,712.00
  5. Step 5: Solve for x
    x = 198,401,712.00/20,493.07
  6. Step 6: Final answer
    x = 9,681.41

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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.