Home / 13,572.35-20,328.44-10,429.22

Finding the Fourth Proportional to 13,572.35, 20,328.44 and 10,429.22

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Solution

The fourth proportional to 13,572.35, 20,328.44 and 10,429.22 is: 15,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.35 : 20,328.44 = 10,429.22 : x
  2. Step 2: Convert to fraction form
    13,572.35/20,328.44 = 10,429.22/x
  3. Step 3: Cross multiply
    13,572.35x = 20,328.44 × 10,429.22
  4. Step 4: Simplify right side
    13,572.35x = 212,009,773.02
  5. Step 5: Solve for x
    x = 212,009,773.02/13,572.35
  6. Step 6: Final answer
    x = 15,620.71

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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.