Home / 20,799.06-31,209.02-9,706.62

Finding the Fourth Proportional to 20,799.06, 31,209.02 and 9,706.62

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Solution

The fourth proportional to 20,799.06, 31,209.02 and 9,706.62 is: 14,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.06 : 31,209.02 = 9,706.62 : x
  2. Step 2: Convert to fraction form
    20,799.06/31,209.02 = 9,706.62/x
  3. Step 3: Cross multiply
    20,799.06x = 31,209.02 × 9,706.62
  4. Step 4: Simplify right side
    20,799.06x = 302,934,097.71
  5. Step 5: Solve for x
    x = 302,934,097.71/20,799.06
  6. Step 6: Final answer
    x = 14,564.80

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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.