Home / 19,677.08-29,520.54-5,638.28

Finding the Fourth Proportional to 19,677.08, 29,520.54 and 5,638.28

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Solution

The fourth proportional to 19,677.08, 29,520.54 and 5,638.28 is: 8,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.08 : 29,520.54 = 5,638.28 : x
  2. Step 2: Convert to fraction form
    19,677.08/29,520.54 = 5,638.28/x
  3. Step 3: Cross multiply
    19,677.08x = 29,520.54 × 5,638.28
  4. Step 4: Simplify right side
    19,677.08x = 166,445,070.27
  5. Step 5: Solve for x
    x = 166,445,070.27/19,677.08
  6. Step 6: Final answer
    x = 8,458.83

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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.