Home / 13,442.13-18,549.26-7,473.57

Finding the Fourth Proportional to 13,442.13, 18,549.26 and 7,473.57

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Solution

The fourth proportional to 13,442.13, 18,549.26 and 7,473.57 is: 10,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.13 : 18,549.26 = 7,473.57 : x
  2. Step 2: Convert to fraction form
    13,442.13/18,549.26 = 7,473.57/x
  3. Step 3: Cross multiply
    13,442.13x = 18,549.26 × 7,473.57
  4. Step 4: Simplify right side
    13,442.13x = 138,629,202.06
  5. Step 5: Solve for x
    x = 138,629,202.06/13,442.13
  6. Step 6: Final answer
    x = 10,313.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.