Home / 21,946.08-32,919.96-7,155.12

Finding the Fourth Proportional to 21,946.08, 32,919.96 and 7,155.12

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Solution

The fourth proportional to 21,946.08, 32,919.96 and 7,155.12 is: 10,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.08 : 32,919.96 = 7,155.12 : x
  2. Step 2: Convert to fraction form
    21,946.08/32,919.96 = 7,155.12/x
  3. Step 3: Cross multiply
    21,946.08x = 32,919.96 × 7,155.12
  4. Step 4: Simplify right side
    21,946.08x = 235,546,264.20
  5. Step 5: Solve for x
    x = 235,546,264.20/21,946.08
  6. Step 6: Final answer
    x = 10,732.95

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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.