Home / 21,681.66-32,522.60-9,198.55

Finding the Fourth Proportional to 21,681.66, 32,522.60 and 9,198.55

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Solution

The fourth proportional to 21,681.66, 32,522.60 and 9,198.55 is: 13,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.66 : 32,522.60 = 9,198.55 : x
  2. Step 2: Convert to fraction form
    21,681.66/32,522.60 = 9,198.55/x
  3. Step 3: Cross multiply
    21,681.66x = 32,522.60 × 9,198.55
  4. Step 4: Simplify right side
    21,681.66x = 299,160,762.23
  5. Step 5: Solve for x
    x = 299,160,762.23/21,681.66
  6. Step 6: Final answer
    x = 13,797.87

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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.