Home / 14,374.20-19,838.37-8,711.22

Finding the Fourth Proportional to 14,374.20, 19,838.37 and 8,711.22

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Solution

The fourth proportional to 14,374.20, 19,838.37 and 8,711.22 is: 12,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.20 : 19,838.37 = 8,711.22 : x
  2. Step 2: Convert to fraction form
    14,374.20/19,838.37 = 8,711.22/x
  3. Step 3: Cross multiply
    14,374.20x = 19,838.37 × 8,711.22
  4. Step 4: Simplify right side
    14,374.20x = 172,816,405.51
  5. Step 5: Solve for x
    x = 172,816,405.51/14,374.20
  6. Step 6: Final answer
    x = 12,022.68

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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.