Home / 13,764.23-20,646.26-3,903.51

Finding the Fourth Proportional to 13,764.23, 20,646.26 and 3,903.51

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Solution

The fourth proportional to 13,764.23, 20,646.26 and 3,903.51 is: 5,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.23 : 20,646.26 = 3,903.51 : x
  2. Step 2: Convert to fraction form
    13,764.23/20,646.26 = 3,903.51/x
  3. Step 3: Cross multiply
    13,764.23x = 20,646.26 × 3,903.51
  4. Step 4: Simplify right side
    13,764.23x = 80,592,838.78
  5. Step 5: Solve for x
    x = 80,592,838.78/13,764.23
  6. Step 6: Final answer
    x = 5,855.24

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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.