Home / 20,802.76-31,209.66-6,011.44

Finding the Fourth Proportional to 20,802.76, 31,209.66 and 6,011.44

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Solution

The fourth proportional to 20,802.76, 31,209.66 and 6,011.44 is: 9,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802.76 : 31,209.66 = 6,011.44 : x
  2. Step 2: Convert to fraction form
    20,802.76/31,209.66 = 6,011.44/x
  3. Step 3: Cross multiply
    20,802.76x = 31,209.66 × 6,011.44
  4. Step 4: Simplify right side
    20,802.76x = 187,614,998.51
  5. Step 5: Solve for x
    x = 187,614,998.51/20,802.76
  6. Step 6: Final answer
    x = 9,018.76

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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.