Home / 20,172.66-30,259.80-7,026.36

Finding the Fourth Proportional to 20,172.66, 30,259.80 and 7,026.36

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Solution

The fourth proportional to 20,172.66, 30,259.80 and 7,026.36 is: 10,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.66 : 30,259.80 = 7,026.36 : x
  2. Step 2: Convert to fraction form
    20,172.66/30,259.80 = 7,026.36/x
  3. Step 3: Cross multiply
    20,172.66x = 30,259.80 × 7,026.36
  4. Step 4: Simplify right side
    20,172.66x = 212,616,248.33
  5. Step 5: Solve for x
    x = 212,616,248.33/20,172.66
  6. Step 6: Final answer
    x = 10,539.82

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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.