Home / 15,832.21-21,848.66-9,119.02

Finding the Fourth Proportional to 15,832.21, 21,848.66 and 9,119.02

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Solution

The fourth proportional to 15,832.21, 21,848.66 and 9,119.02 is: 12,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.21 : 21,848.66 = 9,119.02 : x
  2. Step 2: Convert to fraction form
    15,832.21/21,848.66 = 9,119.02/x
  3. Step 3: Cross multiply
    15,832.21x = 21,848.66 × 9,119.02
  4. Step 4: Simplify right side
    15,832.21x = 199,238,367.51
  5. Step 5: Solve for x
    x = 199,238,367.51/15,832.21
  6. Step 6: Final answer
    x = 12,584.37

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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.