Home / 21,659.40-32,464.44-9,171.63

Finding the Fourth Proportional to 21,659.40, 32,464.44 and 9,171.63

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Solution

The fourth proportional to 21,659.40, 32,464.44 and 9,171.63 is: 13,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,659.40 : 32,464.44 = 9,171.63 : x
  2. Step 2: Convert to fraction form
    21,659.40/32,464.44 = 9,171.63/x
  3. Step 3: Cross multiply
    21,659.40x = 32,464.44 × 9,171.63
  4. Step 4: Simplify right side
    21,659.40x = 297,751,831.84
  5. Step 5: Solve for x
    x = 297,751,831.84/21,659.40
  6. Step 6: Final answer
    x = 13,747.00

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1.5x scale

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.