Home / 13,614.36-20,426.67-7,036.44

Finding the Fourth Proportional to 13,614.36, 20,426.67 and 7,036.44

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Solution

The fourth proportional to 13,614.36, 20,426.67 and 7,036.44 is: 10,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.36 : 20,426.67 = 7,036.44 : x
  2. Step 2: Convert to fraction form
    13,614.36/20,426.67 = 7,036.44/x
  3. Step 3: Cross multiply
    13,614.36x = 20,426.67 × 7,036.44
  4. Step 4: Simplify right side
    13,614.36x = 143,731,037.85
  5. Step 5: Solve for x
    x = 143,731,037.85/13,614.36
  6. Step 6: Final answer
    x = 10,557.31

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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.