Home / 19,410.12-29,115.18-7,723.44

Finding the Fourth Proportional to 19,410.12, 29,115.18 and 7,723.44

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Solution

The fourth proportional to 19,410.12, 29,115.18 and 7,723.44 is: 11,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.12 : 29,115.18 = 7,723.44 : x
  2. Step 2: Convert to fraction form
    19,410.12/29,115.18 = 7,723.44/x
  3. Step 3: Cross multiply
    19,410.12x = 29,115.18 × 7,723.44
  4. Step 4: Simplify right side
    19,410.12x = 224,869,345.82
  5. Step 5: Solve for x
    x = 224,869,345.82/19,410.12
  6. Step 6: Final answer
    x = 11,585.16

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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.