Home / 19,590.04-29,378.82-6,439.38

Finding the Fourth Proportional to 19,590.04, 29,378.82 and 6,439.38

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Solution

The fourth proportional to 19,590.04, 29,378.82 and 6,439.38 is: 9,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.04 : 29,378.82 = 6,439.38 : x
  2. Step 2: Convert to fraction form
    19,590.04/29,378.82 = 6,439.38/x
  3. Step 3: Cross multiply
    19,590.04x = 29,378.82 × 6,439.38
  4. Step 4: Simplify right side
    19,590.04x = 189,181,385.93
  5. Step 5: Solve for x
    x = 189,181,385.93/19,590.04
  6. Step 6: Final answer
    x = 9,657.02

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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.