Home / 13,063.74-18,027.45-7,758.42

Finding the Fourth Proportional to 13,063.74, 18,027.45 and 7,758.42

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Solution

The fourth proportional to 13,063.74, 18,027.45 and 7,758.42 is: 10,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.74 : 18,027.45 = 7,758.42 : x
  2. Step 2: Convert to fraction form
    13,063.74/18,027.45 = 7,758.42/x
  3. Step 3: Cross multiply
    13,063.74x = 18,027.45 × 7,758.42
  4. Step 4: Simplify right side
    13,063.74x = 139,864,528.63
  5. Step 5: Solve for x
    x = 139,864,528.63/13,063.74
  6. Step 6: Final answer
    x = 10,706.32

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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.