Home / 14,769.21-20,381.43-8,054.71

Finding the Fourth Proportional to 14,769.21, 20,381.43 and 8,054.71

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Solution

The fourth proportional to 14,769.21, 20,381.43 and 8,054.71 is: 11,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.21 : 20,381.43 = 8,054.71 : x
  2. Step 2: Convert to fraction form
    14,769.21/20,381.43 = 8,054.71/x
  3. Step 3: Cross multiply
    14,769.21x = 20,381.43 × 8,054.71
  4. Step 4: Simplify right side
    14,769.21x = 164,166,508.04
  5. Step 5: Solve for x
    x = 164,166,508.04/14,769.21
  6. Step 6: Final answer
    x = 11,115.46

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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.