Home / 21,649.42-32,468.66-11,113.55

Finding the Fourth Proportional to 21,649.42, 32,468.66 and 11,113.55

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Solution

The fourth proportional to 21,649.42, 32,468.66 and 11,113.55 is: 16,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649.42 : 32,468.66 = 11,113.55 : x
  2. Step 2: Convert to fraction form
    21,649.42/32,468.66 = 11,113.55/x
  3. Step 3: Cross multiply
    21,649.42x = 32,468.66 × 11,113.55
  4. Step 4: Simplify right side
    21,649.42x = 360,842,076.34
  5. Step 5: Solve for x
    x = 360,842,076.34/21,649.42
  6. Step 6: Final answer
    x = 16,667.52

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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.