Home / 21,688.60-32,542.26-9,217.03

Finding the Fourth Proportional to 21,688.60, 32,542.26 and 9,217.03

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Solution

The fourth proportional to 21,688.60, 32,542.26 and 9,217.03 is: 13,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.60 : 32,542.26 = 9,217.03 : x
  2. Step 2: Convert to fraction form
    21,688.60/32,542.26 = 9,217.03/x
  3. Step 3: Cross multiply
    21,688.60x = 32,542.26 × 9,217.03
  4. Step 4: Simplify right side
    21,688.60x = 299,942,986.69
  5. Step 5: Solve for x
    x = 299,942,986.69/21,688.60
  6. Step 6: Final answer
    x = 13,829.52

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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.