Home / 12,395.04-17,105.76-6,806.16

Finding the Fourth Proportional to 12,395.04, 17,105.76 and 6,806.16

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Solution

The fourth proportional to 12,395.04, 17,105.76 and 6,806.16 is: 9,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.04 : 17,105.76 = 6,806.16 : x
  2. Step 2: Convert to fraction form
    12,395.04/17,105.76 = 6,806.16/x
  3. Step 3: Cross multiply
    12,395.04x = 17,105.76 × 6,806.16
  4. Step 4: Simplify right side
    12,395.04x = 116,424,539.48
  5. Step 5: Solve for x
    x = 116,424,539.48/12,395.04
  6. Step 6: Final answer
    x = 9,392.83

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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.