Home / 13,361.15-20,048.70-9,693.64

Finding the Fourth Proportional to 13,361.15, 20,048.70 and 9,693.64

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Solution

The fourth proportional to 13,361.15, 20,048.70 and 9,693.64 is: 14,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.15 : 20,048.70 = 9,693.64 : x
  2. Step 2: Convert to fraction form
    13,361.15/20,048.70 = 9,693.64/x
  3. Step 3: Cross multiply
    13,361.15x = 20,048.70 × 9,693.64
  4. Step 4: Simplify right side
    13,361.15x = 194,344,887.15
  5. Step 5: Solve for x
    x = 194,344,887.15/13,361.15
  6. Step 6: Final answer
    x = 14,545.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.