Home / 13,305.29-18,361.43-7,337.18

Finding the Fourth Proportional to 13,305.29, 18,361.43 and 7,337.18

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Solution

The fourth proportional to 13,305.29, 18,361.43 and 7,337.18 is: 10,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.29 : 18,361.43 = 7,337.18 : x
  2. Step 2: Convert to fraction form
    13,305.29/18,361.43 = 7,337.18/x
  3. Step 3: Cross multiply
    13,305.29x = 18,361.43 × 7,337.18
  4. Step 4: Simplify right side
    13,305.29x = 134,720,988.47
  5. Step 5: Solve for x
    x = 134,720,988.47/13,305.29
  6. Step 6: Final answer
    x = 10,125.37

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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.