Home / 9,018.64-13,515.60-5,071.81

Finding the Fourth Proportional to 9,018.64, 13,515.60 and 5,071.81

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Solution

The fourth proportional to 9,018.64, 13,515.60 and 5,071.81 is: 7,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.64 : 13,515.60 = 5,071.81 : x
  2. Step 2: Convert to fraction form
    9,018.64/13,515.60 = 5,071.81/x
  3. Step 3: Cross multiply
    9,018.64x = 13,515.60 × 5,071.81
  4. Step 4: Simplify right side
    9,018.64x = 68,548,555.24
  5. Step 5: Solve for x
    x = 68,548,555.24/9,018.64
  6. Step 6: Final answer
    x = 7,600.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.