Home / 14,769.78-20,399.32-10,754.57

Finding the Fourth Proportional to 14,769.78, 20,399.32 and 10,754.57

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Solution

The fourth proportional to 14,769.78, 20,399.32 and 10,754.57 is: 14,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.78 : 20,399.32 = 10,754.57 : x
  2. Step 2: Convert to fraction form
    14,769.78/20,399.32 = 10,754.57/x
  3. Step 3: Cross multiply
    14,769.78x = 20,399.32 × 10,754.57
  4. Step 4: Simplify right side
    14,769.78x = 219,385,914.89
  5. Step 5: Solve for x
    x = 219,385,914.89/14,769.78
  6. Step 6: Final answer
    x = 14,853.70

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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.