Home / 13,617.64-18,799.50-9,164.80

Finding the Fourth Proportional to 13,617.64, 18,799.50 and 9,164.80

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Solution

The fourth proportional to 13,617.64, 18,799.50 and 9,164.80 is: 12,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.64 : 18,799.50 = 9,164.80 : x
  2. Step 2: Convert to fraction form
    13,617.64/18,799.50 = 9,164.80/x
  3. Step 3: Cross multiply
    13,617.64x = 18,799.50 × 9,164.80
  4. Step 4: Simplify right side
    13,617.64x = 172,293,657.60
  5. Step 5: Solve for x
    x = 172,293,657.60/13,617.64
  6. Step 6: Final answer
    x = 12,652.24

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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.