Home / 11,188.30-15,439.95-6,152.55

Finding the Fourth Proportional to 11,188.30, 15,439.95 and 6,152.55

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Solution

The fourth proportional to 11,188.30, 15,439.95 and 6,152.55 is: 8,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.30 : 15,439.95 = 6,152.55 : x
  2. Step 2: Convert to fraction form
    11,188.30/15,439.95 = 6,152.55/x
  3. Step 3: Cross multiply
    11,188.30x = 15,439.95 × 6,152.55
  4. Step 4: Simplify right side
    11,188.30x = 94,995,064.37
  5. Step 5: Solve for x
    x = 94,995,064.37/11,188.30
  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.