Home / 15,283.13-22,917.14-5,420.93

Finding the Fourth Proportional to 15,283.13, 22,917.14 and 5,420.93

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Solution

The fourth proportional to 15,283.13, 22,917.14 and 5,420.93 is: 8,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.13 : 22,917.14 = 5,420.93 : x
  2. Step 2: Convert to fraction form
    15,283.13/22,917.14 = 5,420.93/x
  3. Step 3: Cross multiply
    15,283.13x = 22,917.14 × 5,420.93
  4. Step 4: Simplify right side
    15,283.13x = 124,232,184.64
  5. Step 5: Solve for x
    x = 124,232,184.64/15,283.13
  6. Step 6: Final answer
    x = 8,128.71

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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.