Home / 21,491.79-32,199.55-8,984.25

Finding the Fourth Proportional to 21,491.79, 32,199.55 and 8,984.25

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Solution

The fourth proportional to 21,491.79, 32,199.55 and 8,984.25 is: 13,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491.79 : 32,199.55 = 8,984.25 : x
  2. Step 2: Convert to fraction form
    21,491.79/32,199.55 = 8,984.25/x
  3. Step 3: Cross multiply
    21,491.79x = 32,199.55 × 8,984.25
  4. Step 4: Simplify right side
    21,491.79x = 289,288,807.09
  5. Step 5: Solve for x
    x = 289,288,807.09/21,491.79
  6. Step 6: Final answer
    x = 13,460.43

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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.