Home / 17,781.24-26,646.48-13,064.34

Finding the Fourth Proportional to 17,781.24, 26,646.48 and 13,064.34

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Solution

The fourth proportional to 17,781.24, 26,646.48 and 13,064.34 is: 19,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.24 : 26,646.48 = 13,064.34 : x
  2. Step 2: Convert to fraction form
    17,781.24/26,646.48 = 13,064.34/x
  3. Step 3: Cross multiply
    17,781.24x = 26,646.48 × 13,064.34
  4. Step 4: Simplify right side
    17,781.24x = 348,118,674.52
  5. Step 5: Solve for x
    x = 348,118,674.52/17,781.24
  6. Step 6: Final answer
    x = 19,577.86

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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.