Home / 13,436.24-20,151.12-4,202.24

Finding the Fourth Proportional to 13,436.24, 20,151.12 and 4,202.24

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Solution

The fourth proportional to 13,436.24, 20,151.12 and 4,202.24 is: 6,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.24 : 20,151.12 = 4,202.24 : x
  2. Step 2: Convert to fraction form
    13,436.24/20,151.12 = 4,202.24/x
  3. Step 3: Cross multiply
    13,436.24x = 20,151.12 × 4,202.24
  4. Step 4: Simplify right side
    13,436.24x = 84,679,842.51
  5. Step 5: Solve for x
    x = 84,679,842.51/13,436.24
  6. Step 6: Final answer
    x = 6,302.35

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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.