Home / 19,902.02-29,865.38-11,585.75

Finding the Fourth Proportional to 19,902.02, 29,865.38 and 11,585.75

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Solution

The fourth proportional to 19,902.02, 29,865.38 and 11,585.75 is: 17,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.02 : 29,865.38 = 11,585.75 : x
  2. Step 2: Convert to fraction form
    19,902.02/29,865.38 = 11,585.75/x
  3. Step 3: Cross multiply
    19,902.02x = 29,865.38 × 11,585.75
  4. Step 4: Simplify right side
    19,902.02x = 346,012,619.08
  5. Step 5: Solve for x
    x = 346,012,619.08/19,902.02
  6. Step 6: Final answer
    x = 17,385.81

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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.