Home / 9,423.83-13,004.30-5,174.08

Finding the Fourth Proportional to 9,423.83, 13,004.30 and 5,174.08

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Solution

The fourth proportional to 9,423.83, 13,004.30 and 5,174.08 is: 7,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.83 : 13,004.30 = 5,174.08 : x
  2. Step 2: Convert to fraction form
    9,423.83/13,004.30 = 5,174.08/x
  3. Step 3: Cross multiply
    9,423.83x = 13,004.30 × 5,174.08
  4. Step 4: Simplify right side
    9,423.83x = 67,285,268.97
  5. Step 5: Solve for x
    x = 67,285,268.97/9,423.83
  6. Step 6: Final answer
    x = 7,139.91

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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.