Home / 14,124.59-21,161.07-6,614.37

Finding the Fourth Proportional to 14,124.59, 21,161.07 and 6,614.37

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Solution

The fourth proportional to 14,124.59, 21,161.07 and 6,614.37 is: 9,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.59 : 21,161.07 = 6,614.37 : x
  2. Step 2: Convert to fraction form
    14,124.59/21,161.07 = 6,614.37/x
  3. Step 3: Cross multiply
    14,124.59x = 21,161.07 × 6,614.37
  4. Step 4: Simplify right side
    14,124.59x = 139,967,146.58
  5. Step 5: Solve for x
    x = 139,967,146.58/14,124.59
  6. Step 6: Final answer
    x = 9,909.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.