Home / 13,056.96-18,018.45-7,088.61

Finding the Fourth Proportional to 13,056.96, 18,018.45 and 7,088.61

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Solution

The fourth proportional to 13,056.96, 18,018.45 and 7,088.61 is: 9,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.96 : 18,018.45 = 7,088.61 : x
  2. Step 2: Convert to fraction form
    13,056.96/18,018.45 = 7,088.61/x
  3. Step 3: Cross multiply
    13,056.96x = 18,018.45 × 7,088.61
  4. Step 4: Simplify right side
    13,056.96x = 127,725,764.85
  5. Step 5: Solve for x
    x = 127,725,764.85/13,056.96
  6. Step 6: Final answer
    x = 9,782.20

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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.