Home / 14,769.10-20,382.15-8,395.57

Finding the Fourth Proportional to 14,769.10, 20,382.15 and 8,395.57

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Solution

The fourth proportional to 14,769.10, 20,382.15 and 8,395.57 is: 11,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.10 : 20,382.15 = 8,395.57 : x
  2. Step 2: Convert to fraction form
    14,769.10/20,382.15 = 8,395.57/x
  3. Step 3: Cross multiply
    14,769.10x = 20,382.15 × 8,395.57
  4. Step 4: Simplify right side
    14,769.10x = 171,119,767.08
  5. Step 5: Solve for x
    x = 171,119,767.08/14,769.10
  6. Step 6: Final answer
    x = 11,586.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.