Home / 21,632.58-32,378.19-11,747.22

Finding the Fourth Proportional to 21,632.58, 32,378.19 and 11,747.22

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Solution

The fourth proportional to 21,632.58, 32,378.19 and 11,747.22 is: 17,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.58 : 32,378.19 = 11,747.22 : x
  2. Step 2: Convert to fraction form
    21,632.58/32,378.19 = 11,747.22/x
  3. Step 3: Cross multiply
    21,632.58x = 32,378.19 × 11,747.22
  4. Step 4: Simplify right side
    21,632.58x = 380,353,721.13
  5. Step 5: Solve for x
    x = 380,353,721.13/21,632.58
  6. Step 6: Final answer
    x = 17,582.45

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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.