Home / 21,399.54-32,097.69-6,612.18

Finding the Fourth Proportional to 21,399.54, 32,097.69 and 6,612.18

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Solution

The fourth proportional to 21,399.54, 32,097.69 and 6,612.18 is: 9,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399.54 : 32,097.69 = 6,612.18 : x
  2. Step 2: Convert to fraction form
    21,399.54/32,097.69 = 6,612.18/x
  3. Step 3: Cross multiply
    21,399.54x = 32,097.69 × 6,612.18
  4. Step 4: Simplify right side
    21,399.54x = 212,235,703.86
  5. Step 5: Solve for x
    x = 212,235,703.86/21,399.54
  6. Step 6: Final answer
    x = 9,917.77

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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.