Home / 10,102.04-13,940.80-5,626.18

Finding the Fourth Proportional to 10,102.04, 13,940.80 and 5,626.18

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Solution

The fourth proportional to 10,102.04, 13,940.80 and 5,626.18 is: 7,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.04 : 13,940.80 = 5,626.18 : x
  2. Step 2: Convert to fraction form
    10,102.04/13,940.80 = 5,626.18/x
  3. Step 3: Cross multiply
    10,102.04x = 13,940.80 × 5,626.18
  4. Step 4: Simplify right side
    10,102.04x = 78,433,450.14
  5. Step 5: Solve for x
    x = 78,433,450.14/10,102.04
  6. Step 6: Final answer
    x = 7,764.12

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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.