Home / 13,697.26-18,902.19-7,409.62

Finding the Fourth Proportional to 13,697.26, 18,902.19 and 7,409.62

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Solution

The fourth proportional to 13,697.26, 18,902.19 and 7,409.62 is: 10,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.26 : 18,902.19 = 7,409.62 : x
  2. Step 2: Convert to fraction form
    13,697.26/18,902.19 = 7,409.62/x
  3. Step 3: Cross multiply
    13,697.26x = 18,902.19 × 7,409.62
  4. Step 4: Simplify right side
    13,697.26x = 140,058,045.07
  5. Step 5: Solve for x
    x = 140,058,045.07/13,697.26
  6. Step 6: Final answer
    x = 10,225.26

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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.