Home / 19,321.35-28,962.41-10,984.13

Finding the Fourth Proportional to 19,321.35, 28,962.41 and 10,984.13

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Solution

The fourth proportional to 19,321.35, 28,962.41 and 10,984.13 is: 16,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.35 : 28,962.41 = 10,984.13 : x
  2. Step 2: Convert to fraction form
    19,321.35/28,962.41 = 10,984.13/x
  3. Step 3: Cross multiply
    19,321.35x = 28,962.41 × 10,984.13
  4. Step 4: Simplify right side
    19,321.35x = 318,126,876.55
  5. Step 5: Solve for x
    x = 318,126,876.55/19,321.35
  6. Step 6: Final answer
    x = 16,465.04

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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.