Home / 15,336.60-21,165.48-8,530.98

Finding the Fourth Proportional to 15,336.60, 21,165.48 and 8,530.98

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Solution

The fourth proportional to 15,336.60, 21,165.48 and 8,530.98 is: 11,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,336.60 : 21,165.48 = 8,530.98 : x
  2. Step 2: Convert to fraction form
    15,336.60/21,165.48 = 8,530.98/x
  3. Step 3: Cross multiply
    15,336.60x = 21,165.48 × 8,530.98
  4. Step 4: Simplify right side
    15,336.60x = 180,562,286.57
  5. Step 5: Solve for x
    x = 180,562,286.57/15,336.60
  6. Step 6: Final answer
    x = 11,773.29

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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.