Home / 11,178.69-16,769.63-4,158.11

Finding the Fourth Proportional to 11,178.69, 16,769.63 and 4,158.11

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Solution

The fourth proportional to 11,178.69, 16,769.63 and 4,158.11 is: 6,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.69 : 16,769.63 = 4,158.11 : x
  2. Step 2: Convert to fraction form
    11,178.69/16,769.63 = 4,158.11/x
  3. Step 3: Cross multiply
    11,178.69x = 16,769.63 × 4,158.11
  4. Step 4: Simplify right side
    11,178.69x = 69,730,018.52
  5. Step 5: Solve for x
    x = 69,730,018.52/11,178.69
  6. Step 6: Final answer
    x = 6,237.77

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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.