Home / 13,063.32-18,027.42-7,758.36

Finding the Fourth Proportional to 13,063.32, 18,027.42 and 7,758.36

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Solution

The fourth proportional to 13,063.32, 18,027.42 and 7,758.36 is: 10,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.32 : 18,027.42 = 7,758.36 : x
  2. Step 2: Convert to fraction form
    13,063.32/18,027.42 = 7,758.36/x
  3. Step 3: Cross multiply
    13,063.32x = 18,027.42 × 7,758.36
  4. Step 4: Simplify right side
    13,063.32x = 139,863,214.23
  5. Step 5: Solve for x
    x = 139,863,214.23/13,063.32
  6. Step 6: Final answer
    x = 10,706.56

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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.