Home / 13,297.19-18,349.92-7,247.52

Finding the Fourth Proportional to 13,297.19, 18,349.92 and 7,247.52

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Solution

The fourth proportional to 13,297.19, 18,349.92 and 7,247.52 is: 10,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.19 : 18,349.92 = 7,247.52 : x
  2. Step 2: Convert to fraction form
    13,297.19/18,349.92 = 7,247.52/x
  3. Step 3: Cross multiply
    13,297.19x = 18,349.92 × 7,247.52
  4. Step 4: Simplify right side
    13,297.19x = 132,991,412.20
  5. Step 5: Solve for x
    x = 132,991,412.20/13,297.19
  6. Step 6: Final answer
    x = 10,001.47

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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.