Home / 11,188.12-15,439.28-6,152.34

Finding the Fourth Proportional to 11,188.12, 15,439.28 and 6,152.34

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Solution

The fourth proportional to 11,188.12, 15,439.28 and 6,152.34 is: 8,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.12 : 15,439.28 = 6,152.34 : x
  2. Step 2: Convert to fraction form
    11,188.12/15,439.28 = 6,152.34/x
  3. Step 3: Cross multiply
    11,188.12x = 15,439.28 × 6,152.34
  4. Step 4: Simplify right side
    11,188.12x = 94,987,699.92
  5. Step 5: Solve for x
    x = 94,987,699.92/11,188.12
  6. Step 6: Final answer
    x = 8,490.05

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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.