Home / 14,988.26-20,682.67-8,614.86

Finding the Fourth Proportional to 14,988.26, 20,682.67 and 8,614.86

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Solution

The fourth proportional to 14,988.26, 20,682.67 and 8,614.86 is: 11,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.26 : 20,682.67 = 8,614.86 : x
  2. Step 2: Convert to fraction form
    14,988.26/20,682.67 = 8,614.86/x
  3. Step 3: Cross multiply
    14,988.26x = 20,682.67 × 8,614.86
  4. Step 4: Simplify right side
    14,988.26x = 178,178,306.48
  5. Step 5: Solve for x
    x = 178,178,306.48/14,988.26
  6. Step 6: Final answer
    x = 11,887.86

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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.