Home / 13,253.76-18,291.96-8,551.71

Finding the Fourth Proportional to 13,253.76, 18,291.96 and 8,551.71

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Solution

The fourth proportional to 13,253.76, 18,291.96 and 8,551.71 is: 11,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.76 : 18,291.96 = 8,551.71 : x
  2. Step 2: Convert to fraction form
    13,253.76/18,291.96 = 8,551.71/x
  3. Step 3: Cross multiply
    13,253.76x = 18,291.96 × 8,551.71
  4. Step 4: Simplify right side
    13,253.76x = 156,427,537.25
  5. Step 5: Solve for x
    x = 156,427,537.25/13,253.76
  6. Step 6: Final answer
    x = 11,802.50

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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.