Home / 13,132.47-18,116.52-8,885.01

Finding the Fourth Proportional to 13,132.47, 18,116.52 and 8,885.01

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Solution

The fourth proportional to 13,132.47, 18,116.52 and 8,885.01 is: 12,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.47 : 18,116.52 = 8,885.01 : x
  2. Step 2: Convert to fraction form
    13,132.47/18,116.52 = 8,885.01/x
  3. Step 3: Cross multiply
    13,132.47x = 18,116.52 × 8,885.01
  4. Step 4: Simplify right side
    13,132.47x = 160,965,461.37
  5. Step 5: Solve for x
    x = 160,965,461.37/13,132.47
  6. Step 6: Final answer
    x = 12,257.06

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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.