Home / 12,192.26-18,284.76-5,172.19

Finding the Fourth Proportional to 12,192.26, 18,284.76 and 5,172.19

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Solution

The fourth proportional to 12,192.26, 18,284.76 and 5,172.19 is: 7,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.26 : 18,284.76 = 5,172.19 : x
  2. Step 2: Convert to fraction form
    12,192.26/18,284.76 = 5,172.19/x
  3. Step 3: Cross multiply
    12,192.26x = 18,284.76 × 5,172.19
  4. Step 4: Simplify right side
    12,192.26x = 94,572,207.11
  5. Step 5: Solve for x
    x = 94,572,207.11/12,192.26
  6. Step 6: Final answer
    x = 7,756.74

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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.