Home / 13,840.16-19,099.56-7,552.64

Finding the Fourth Proportional to 13,840.16, 19,099.56 and 7,552.64

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Solution

The fourth proportional to 13,840.16, 19,099.56 and 7,552.64 is: 10,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.16 : 19,099.56 = 7,552.64 : x
  2. Step 2: Convert to fraction form
    13,840.16/19,099.56 = 7,552.64/x
  3. Step 3: Cross multiply
    13,840.16x = 19,099.56 × 7,552.64
  4. Step 4: Simplify right side
    13,840.16x = 144,252,100.84
  5. Step 5: Solve for x
    x = 144,252,100.84/13,840.16
  6. Step 6: Final answer
    x = 10,422.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.