Home / 13,305.28-18,361.41-7,337.16

Finding the Fourth Proportional to 13,305.28, 18,361.41 and 7,337.16

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Solution

The fourth proportional to 13,305.28, 18,361.41 and 7,337.16 is: 10,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.28 : 18,361.41 = 7,337.16 : x
  2. Step 2: Convert to fraction form
    13,305.28/18,361.41 = 7,337.16/x
  3. Step 3: Cross multiply
    13,305.28x = 18,361.41 × 7,337.16
  4. Step 4: Simplify right side
    13,305.28x = 134,720,603.00
  5. Step 5: Solve for x
    x = 134,720,603.00/13,305.28
  6. Step 6: Final answer
    x = 10,125.35

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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.