Home / 12,600.81-17,389.83-7,224.13

Finding the Fourth Proportional to 12,600.81, 17,389.83 and 7,224.13

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Solution

The fourth proportional to 12,600.81, 17,389.83 and 7,224.13 is: 9,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.81 : 17,389.83 = 7,224.13 : x
  2. Step 2: Convert to fraction form
    12,600.81/17,389.83 = 7,224.13/x
  3. Step 3: Cross multiply
    12,600.81x = 17,389.83 × 7,224.13
  4. Step 4: Simplify right side
    12,600.81x = 125,626,392.60
  5. Step 5: Solve for x
    x = 125,626,392.60/12,600.81
  6. Step 6: Final answer
    x = 9,969.71

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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.