Home / 19,329.79-28,998.33-6,178.63

Finding the Fourth Proportional to 19,329.79, 28,998.33 and 6,178.63

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Solution

The fourth proportional to 19,329.79, 28,998.33 and 6,178.63 is: 9,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.79 : 28,998.33 = 6,178.63 : x
  2. Step 2: Convert to fraction form
    19,329.79/28,998.33 = 6,178.63/x
  3. Step 3: Cross multiply
    19,329.79x = 28,998.33 × 6,178.63
  4. Step 4: Simplify right side
    19,329.79x = 179,169,951.69
  5. Step 5: Solve for x
    x = 179,169,951.69/19,329.79
  6. Step 6: Final answer
    x = 9,269.11

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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.