Home / 19,294.94-28,945.15-6,142.91

Finding the Fourth Proportional to 19,294.94, 28,945.15 and 6,142.91

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Solution

The fourth proportional to 19,294.94, 28,945.15 and 6,142.91 is: 9,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.94 : 28,945.15 = 6,142.91 : x
  2. Step 2: Convert to fraction form
    19,294.94/28,945.15 = 6,142.91/x
  3. Step 3: Cross multiply
    19,294.94x = 28,945.15 × 6,142.91
  4. Step 4: Simplify right side
    19,294.94x = 177,807,291.30
  5. Step 5: Solve for x
    x = 177,807,291.30/19,294.94
  6. Step 6: Final answer
    x = 9,215.23

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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.