Home / 11,188.45-15,440.16-6,152.55

Finding the Fourth Proportional to 11,188.45, 15,440.16 and 6,152.55

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Solution

The fourth proportional to 11,188.45, 15,440.16 and 6,152.55 is: 8,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.45 : 15,440.16 = 6,152.55 : x
  2. Step 2: Convert to fraction form
    11,188.45/15,440.16 = 6,152.55/x
  3. Step 3: Cross multiply
    11,188.45x = 15,440.16 × 6,152.55
  4. Step 4: Simplify right side
    11,188.45x = 94,996,356.41
  5. Step 5: Solve for x
    x = 94,996,356.41/11,188.45
  6. Step 6: Final answer
    x = 8,490.57

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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.