Home / 13,305.30-18,361.28-7,336.98

Finding the Fourth Proportional to 13,305.30, 18,361.28 and 7,336.98

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Solution

The fourth proportional to 13,305.30, 18,361.28 and 7,336.98 is: 10,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.30 : 18,361.28 = 7,336.98 : x
  2. Step 2: Convert to fraction form
    13,305.30/18,361.28 = 7,336.98/x
  3. Step 3: Cross multiply
    13,305.30x = 18,361.28 × 7,336.98
  4. Step 4: Simplify right side
    13,305.30x = 134,716,362.48
  5. Step 5: Solve for x
    x = 134,716,362.48/13,305.30
  6. Step 6: Final answer
    x = 10,125.02

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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.