Home / 19,426.92-29,145.84-6,280.38

Finding the Fourth Proportional to 19,426.92, 29,145.84 and 6,280.38

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Solution

The fourth proportional to 19,426.92, 29,145.84 and 6,280.38 is: 9,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.92 : 29,145.84 = 6,280.38 : x
  2. Step 2: Convert to fraction form
    19,426.92/29,145.84 = 6,280.38/x
  3. Step 3: Cross multiply
    19,426.92x = 29,145.84 × 6,280.38
  4. Step 4: Simplify right side
    19,426.92x = 183,046,950.62
  5. Step 5: Solve for x
    x = 183,046,950.62/19,426.92
  6. Step 6: Final answer
    x = 9,422.34

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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.