Home / 14,256.35-19,673.64-8,207.78

Finding the Fourth Proportional to 14,256.35, 19,673.64 and 8,207.78

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Solution

The fourth proportional to 14,256.35, 19,673.64 and 8,207.78 is: 11,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.35 : 19,673.64 = 8,207.78 : x
  2. Step 2: Convert to fraction form
    14,256.35/19,673.64 = 8,207.78/x
  3. Step 3: Cross multiply
    14,256.35x = 19,673.64 × 8,207.78
  4. Step 4: Simplify right side
    14,256.35x = 161,476,908.92
  5. Step 5: Solve for x
    x = 161,476,908.92/14,256.35
  6. Step 6: Final answer
    x = 11,326.67

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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.