Home / 15,840.97-23,766.73-5,312.03

Finding the Fourth Proportional to 15,840.97, 23,766.73 and 5,312.03

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Solution

The fourth proportional to 15,840.97, 23,766.73 and 5,312.03 is: 7,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.97 : 23,766.73 = 5,312.03 : x
  2. Step 2: Convert to fraction form
    15,840.97/23,766.73 = 5,312.03/x
  3. Step 3: Cross multiply
    15,840.97x = 23,766.73 × 5,312.03
  4. Step 4: Simplify right side
    15,840.97x = 126,249,582.76
  5. Step 5: Solve for x
    x = 126,249,582.76/15,840.97
  6. Step 6: Final answer
    x = 7,969.81

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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.