Home / 12,141.26-18,206.70-5,124.41

Finding the Fourth Proportional to 12,141.26, 18,206.70 and 5,124.41

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Solution

The fourth proportional to 12,141.26, 18,206.70 and 5,124.41 is: 7,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.26 : 18,206.70 = 5,124.41 : x
  2. Step 2: Convert to fraction form
    12,141.26/18,206.70 = 5,124.41/x
  3. Step 3: Cross multiply
    12,141.26x = 18,206.70 × 5,124.41
  4. Step 4: Simplify right side
    12,141.26x = 93,298,595.55
  5. Step 5: Solve for x
    x = 93,298,595.55/12,141.26
  6. Step 6: Final answer
    x = 7,684.42

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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.