Home / 14,614.05-20,167.61-8,326.29

Finding the Fourth Proportional to 14,614.05, 20,167.61 and 8,326.29

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Solution

The fourth proportional to 14,614.05, 20,167.61 and 8,326.29 is: 11,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.05 : 20,167.61 = 8,326.29 : x
  2. Step 2: Convert to fraction form
    14,614.05/20,167.61 = 8,326.29/x
  3. Step 3: Cross multiply
    14,614.05x = 20,167.61 × 8,326.29
  4. Step 4: Simplify right side
    14,614.05x = 167,921,327.84
  5. Step 5: Solve for x
    x = 167,921,327.84/14,614.05
  6. Step 6: Final answer
    x = 11,490.40

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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.