Home / 19,961.48-29,944.95-6,810.32

Finding the Fourth Proportional to 19,961.48, 29,944.95 and 6,810.32

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Solution

The fourth proportional to 19,961.48, 29,944.95 and 6,810.32 is: 10,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.48 : 29,944.95 = 6,810.32 : x
  2. Step 2: Convert to fraction form
    19,961.48/29,944.95 = 6,810.32/x
  3. Step 3: Cross multiply
    19,961.48x = 29,944.95 × 6,810.32
  4. Step 4: Simplify right side
    19,961.48x = 203,934,508.11
  5. Step 5: Solve for x
    x = 203,934,508.11/19,961.48
  6. Step 6: Final answer
    x = 10,216.40

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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.