Home / 13,505.32-18,637.32-7,536.97

Finding the Fourth Proportional to 13,505.32, 18,637.32 and 7,536.97

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Solution

The fourth proportional to 13,505.32, 18,637.32 and 7,536.97 is: 10,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.32 : 18,637.32 = 7,536.97 : x
  2. Step 2: Convert to fraction form
    13,505.32/18,637.32 = 7,536.97/x
  3. Step 3: Cross multiply
    13,505.32x = 18,637.32 × 7,536.97
  4. Step 4: Simplify right side
    13,505.32x = 140,468,921.72
  5. Step 5: Solve for x
    x = 140,468,921.72/13,505.32
  6. Step 6: Final answer
    x = 10,401.01

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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.