Home / 9,423.07-13,003.97-5,174.51

Finding the Fourth Proportional to 9,423.07, 13,003.97 and 5,174.51

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Solution

The fourth proportional to 9,423.07, 13,003.97 and 5,174.51 is: 7,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.07 : 13,003.97 = 5,174.51 : x
  2. Step 2: Convert to fraction form
    9,423.07/13,003.97 = 5,174.51/x
  3. Step 3: Cross multiply
    9,423.07x = 13,003.97 × 5,174.51
  4. Step 4: Simplify right side
    9,423.07x = 67,289,133.04
  5. Step 5: Solve for x
    x = 67,289,133.04/9,423.07
  6. Step 6: Final answer
    x = 7,140.90

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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.