Home / 11,188.17-15,440.09-6,152.63

Finding the Fourth Proportional to 11,188.17, 15,440.09 and 6,152.63

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Solution

The fourth proportional to 11,188.17, 15,440.09 and 6,152.63 is: 8,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.17 : 15,440.09 = 6,152.63 : x
  2. Step 2: Convert to fraction form
    11,188.17/15,440.09 = 6,152.63/x
  3. Step 3: Cross multiply
    11,188.17x = 15,440.09 × 6,152.63
  4. Step 4: Simplify right side
    11,188.17x = 94,997,052.97
  5. Step 5: Solve for x
    x = 94,997,052.97/11,188.17
  6. Step 6: Final answer
    x = 8,490.85

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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.