Home / 13,315.02-19,972.62-5,917.74

Finding the Fourth Proportional to 13,315.02, 19,972.62 and 5,917.74

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Solution

The fourth proportional to 13,315.02, 19,972.62 and 5,917.74 is: 8,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.02 : 19,972.62 = 5,917.74 : x
  2. Step 2: Convert to fraction form
    13,315.02/19,972.62 = 5,917.74/x
  3. Step 3: Cross multiply
    13,315.02x = 19,972.62 × 5,917.74
  4. Step 4: Simplify right side
    13,315.02x = 118,192,772.28
  5. Step 5: Solve for x
    x = 118,192,772.28/13,315.02
  6. Step 6: Final answer
    x = 8,876.65

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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.