Home / 13,333.64-18,400.30-7,365.29

Finding the Fourth Proportional to 13,333.64, 18,400.30 and 7,365.29

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Solution

The fourth proportional to 13,333.64, 18,400.30 and 7,365.29 is: 10,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.64 : 18,400.30 = 7,365.29 : x
  2. Step 2: Convert to fraction form
    13,333.64/18,400.30 = 7,365.29/x
  3. Step 3: Cross multiply
    13,333.64x = 18,400.30 × 7,365.29
  4. Step 4: Simplify right side
    13,333.64x = 135,523,595.62
  5. Step 5: Solve for x
    x = 135,523,595.62/13,333.64
  6. Step 6: Final answer
    x = 10,164.04

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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.