Home / 19,876.32-29,813.56-5,835.78

Finding the Fourth Proportional to 19,876.32, 29,813.56 and 5,835.78

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Solution

The fourth proportional to 19,876.32, 29,813.56 and 5,835.78 is: 8,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.32 : 29,813.56 = 5,835.78 : x
  2. Step 2: Convert to fraction form
    19,876.32/29,813.56 = 5,835.78/x
  3. Step 3: Cross multiply
    19,876.32x = 29,813.56 × 5,835.78
  4. Step 4: Simplify right side
    19,876.32x = 173,985,377.18
  5. Step 5: Solve for x
    x = 173,985,377.18/19,876.32
  6. Step 6: Final answer
    x = 8,753.40

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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.