Home / 21,655.21-32,484.94-9,002.36

Finding the Fourth Proportional to 21,655.21, 32,484.94 and 9,002.36

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Solution

The fourth proportional to 21,655.21, 32,484.94 and 9,002.36 is: 13,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.21 : 32,484.94 = 9,002.36 : x
  2. Step 2: Convert to fraction form
    21,655.21/32,484.94 = 9,002.36/x
  3. Step 3: Cross multiply
    21,655.21x = 32,484.94 × 9,002.36
  4. Step 4: Simplify right side
    21,655.21x = 292,440,984.54
  5. Step 5: Solve for x
    x = 292,440,984.54/21,655.21
  6. Step 6: Final answer
    x = 13,504.42

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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.