Home / 21,410.82-32,119.71-6,616.32

Finding the Fourth Proportional to 21,410.82, 32,119.71 and 6,616.32

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Solution

The fourth proportional to 21,410.82, 32,119.71 and 6,616.32 is: 9,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.82 : 32,119.71 = 6,616.32 : x
  2. Step 2: Convert to fraction form
    21,410.82/32,119.71 = 6,616.32/x
  3. Step 3: Cross multiply
    21,410.82x = 32,119.71 × 6,616.32
  4. Step 4: Simplify right side
    21,410.82x = 212,514,279.67
  5. Step 5: Solve for x
    x = 212,514,279.67/21,410.82
  6. Step 6: Final answer
    x = 9,925.56

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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.