Home / 11,124.36-15,355.08-6,411.96

Finding the Fourth Proportional to 11,124.36, 15,355.08 and 6,411.96

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Solution

The fourth proportional to 11,124.36, 15,355.08 and 6,411.96 is: 8,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.36 : 15,355.08 = 6,411.96 : x
  2. Step 2: Convert to fraction form
    11,124.36/15,355.08 = 6,411.96/x
  3. Step 3: Cross multiply
    11,124.36x = 15,355.08 × 6,411.96
  4. Step 4: Simplify right side
    11,124.36x = 98,456,158.76
  5. Step 5: Solve for x
    x = 98,456,158.76/11,124.36
  6. Step 6: Final answer
    x = 8,850.50

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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.