Home / 11,224.92-15,490.41-6,445.02

Finding the Fourth Proportional to 11,224.92, 15,490.41 and 6,445.02

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Solution

The fourth proportional to 11,224.92, 15,490.41 and 6,445.02 is: 8,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.92 : 15,490.41 = 6,445.02 : x
  2. Step 2: Convert to fraction form
    11,224.92/15,490.41 = 6,445.02/x
  3. Step 3: Cross multiply
    11,224.92x = 15,490.41 × 6,445.02
  4. Step 4: Simplify right side
    11,224.92x = 99,836,002.26
  5. Step 5: Solve for x
    x = 99,836,002.26/11,224.92
  6. Step 6: Final answer
    x = 8,894.14

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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.