Home / 12,543.16-18,802.26-6,998.92

Finding the Fourth Proportional to 12,543.16, 18,802.26 and 6,998.92

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Solution

The fourth proportional to 12,543.16, 18,802.26 and 6,998.92 is: 10,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.16 : 18,802.26 = 6,998.92 : x
  2. Step 2: Convert to fraction form
    12,543.16/18,802.26 = 6,998.92/x
  3. Step 3: Cross multiply
    12,543.16x = 18,802.26 × 6,998.92
  4. Step 4: Simplify right side
    12,543.16x = 131,595,513.56
  5. Step 5: Solve for x
    x = 131,595,513.56/12,543.16
  6. Step 6: Final answer
    x = 10,491.42

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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.