Home / 13,635.32-18,818.16-8,333.66

Finding the Fourth Proportional to 13,635.32, 18,818.16 and 8,333.66

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Solution

The fourth proportional to 13,635.32, 18,818.16 and 8,333.66 is: 11,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.32 : 18,818.16 = 8,333.66 : x
  2. Step 2: Convert to fraction form
    13,635.32/18,818.16 = 8,333.66/x
  3. Step 3: Cross multiply
    13,635.32x = 18,818.16 × 8,333.66
  4. Step 4: Simplify right side
    13,635.32x = 156,824,163.06
  5. Step 5: Solve for x
    x = 156,824,163.06/13,635.32
  6. Step 6: Final answer
    x = 11,501.32

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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.