Home / 19,374.18-29,061.12-12,829.65

Finding the Fourth Proportional to 19,374.18, 29,061.12 and 12,829.65

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Solution

The fourth proportional to 19,374.18, 29,061.12 and 12,829.65 is: 19,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.18 : 29,061.12 = 12,829.65 : x
  2. Step 2: Convert to fraction form
    19,374.18/29,061.12 = 12,829.65/x
  3. Step 3: Cross multiply
    19,374.18x = 29,061.12 × 12,829.65
  4. Step 4: Simplify right side
    19,374.18x = 372,843,998.21
  5. Step 5: Solve for x
    x = 372,843,998.21/19,374.18
  6. Step 6: Final answer
    x = 19,244.38

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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.