Home / 19,590.36-29,387.88-9,199.68

Finding the Fourth Proportional to 19,590.36, 29,387.88 and 9,199.68

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Solution

The fourth proportional to 19,590.36, 29,387.88 and 9,199.68 is: 13,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.36 : 29,387.88 = 9,199.68 : x
  2. Step 2: Convert to fraction form
    19,590.36/29,387.88 = 9,199.68/x
  3. Step 3: Cross multiply
    19,590.36x = 29,387.88 × 9,199.68
  4. Step 4: Simplify right side
    19,590.36x = 270,359,091.88
  5. Step 5: Solve for x
    x = 270,359,091.88/19,590.36
  6. Step 6: Final answer
    x = 13,800.62

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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.