Home / 19,379.52-29,070.18-6,899.64

Finding the Fourth Proportional to 19,379.52, 29,070.18 and 6,899.64

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Solution

The fourth proportional to 19,379.52, 29,070.18 and 6,899.64 is: 10,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.52 : 29,070.18 = 6,899.64 : x
  2. Step 2: Convert to fraction form
    19,379.52/29,070.18 = 6,899.64/x
  3. Step 3: Cross multiply
    19,379.52x = 29,070.18 × 6,899.64
  4. Step 4: Simplify right side
    19,379.52x = 200,573,776.74
  5. Step 5: Solve for x
    x = 200,573,776.74/19,379.52
  6. Step 6: Final answer
    x = 10,349.78

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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.