Home / 14,614.90-20,104.81-12,814.27

Finding the Fourth Proportional to 14,614.90, 20,104.81 and 12,814.27

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Solution

The fourth proportional to 14,614.90, 20,104.81 and 12,814.27 is: 17,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.90 : 20,104.81 = 12,814.27 : x
  2. Step 2: Convert to fraction form
    14,614.90/20,104.81 = 12,814.27/x
  3. Step 3: Cross multiply
    14,614.90x = 20,104.81 × 12,814.27
  4. Step 4: Simplify right side
    14,614.90x = 257,628,381.34
  5. Step 5: Solve for x
    x = 257,628,381.34/14,614.90
  6. Step 6: Final answer
    x = 17,627.79

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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.