Home / 11,124.68-15,353.94-6,411.70

Finding the Fourth Proportional to 11,124.68, 15,353.94 and 6,411.70

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Solution

The fourth proportional to 11,124.68, 15,353.94 and 6,411.70 is: 8,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.68 : 15,353.94 = 6,411.70 : x
  2. Step 2: Convert to fraction form
    11,124.68/15,353.94 = 6,411.70/x
  3. Step 3: Cross multiply
    11,124.68x = 15,353.94 × 6,411.70
  4. Step 4: Simplify right side
    11,124.68x = 98,444,857.10
  5. Step 5: Solve for x
    x = 98,444,857.10/11,124.68
  6. Step 6: Final answer
    x = 8,849.23

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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.