Home / 19,827.15-29,695.07-11,486.46

Finding the Fourth Proportional to 19,827.15, 29,695.07 and 11,486.46

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Solution

The fourth proportional to 19,827.15, 29,695.07 and 11,486.46 is: 17,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.15 : 29,695.07 = 11,486.46 : x
  2. Step 2: Convert to fraction form
    19,827.15/29,695.07 = 11,486.46/x
  3. Step 3: Cross multiply
    19,827.15x = 29,695.07 × 11,486.46
  4. Step 4: Simplify right side
    19,827.15x = 341,091,176.32
  5. Step 5: Solve for x
    x = 341,091,176.32/19,827.15
  6. Step 6: Final answer
    x = 17,203.24

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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.