Home / 21,501.68-32,252.56-11,645.60

Finding the Fourth Proportional to 21,501.68, 32,252.56 and 11,645.60

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Solution

The fourth proportional to 21,501.68, 32,252.56 and 11,645.60 is: 17,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.68 : 32,252.56 = 11,645.60 : x
  2. Step 2: Convert to fraction form
    21,501.68/32,252.56 = 11,645.60/x
  3. Step 3: Cross multiply
    21,501.68x = 32,252.56 × 11,645.60
  4. Step 4: Simplify right side
    21,501.68x = 375,600,412.74
  5. Step 5: Solve for x
    x = 375,600,412.74/21,501.68
  6. Step 6: Final answer
    x = 17,468.42

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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.