Home / 20,802.18-31,203.31-6,012.29

Finding the Fourth Proportional to 20,802.18, 31,203.31 and 6,012.29

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Solution

The fourth proportional to 20,802.18, 31,203.31 and 6,012.29 is: 9,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802.18 : 31,203.31 = 6,012.29 : x
  2. Step 2: Convert to fraction form
    20,802.18/31,203.31 = 6,012.29/x
  3. Step 3: Cross multiply
    20,802.18x = 31,203.31 × 6,012.29
  4. Step 4: Simplify right side
    20,802.18x = 187,603,316.66
  5. Step 5: Solve for x
    x = 187,603,316.66/20,802.18
  6. Step 6: Final answer
    x = 9,018.45

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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.