Home / 21,016.60-29,002.44-11,585.14

Finding the Fourth Proportional to 21,016.60, 29,002.44 and 11,585.14

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Solution

The fourth proportional to 21,016.60, 29,002.44 and 11,585.14 is: 15,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,016.60 : 29,002.44 = 11,585.14 : x
  2. Step 2: Convert to fraction form
    21,016.60/29,002.44 = 11,585.14/x
  3. Step 3: Cross multiply
    21,016.60x = 29,002.44 × 11,585.14
  4. Step 4: Simplify right side
    21,016.60x = 335,997,327.74
  5. Step 5: Solve for x
    x = 335,997,327.74/21,016.60
  6. Step 6: Final answer
    x = 15,987.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.