Home / 13,265.58-18,308.27-8,563.53

Finding the Fourth Proportional to 13,265.58, 18,308.27 and 8,563.53

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Solution

The fourth proportional to 13,265.58, 18,308.27 and 8,563.53 is: 11,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.58 : 18,308.27 = 8,563.53 : x
  2. Step 2: Convert to fraction form
    13,265.58/18,308.27 = 8,563.53/x
  3. Step 3: Cross multiply
    13,265.58x = 18,308.27 × 8,563.53
  4. Step 4: Simplify right side
    13,265.58x = 156,783,376.58
  5. Step 5: Solve for x
    x = 156,783,376.58/13,265.58
  6. Step 6: Final answer
    x = 11,818.81

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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.