Home / 9,509.29-13,122.70-5,260.01

Finding the Fourth Proportional to 9,509.29, 13,122.70 and 5,260.01

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Solution

The fourth proportional to 9,509.29, 13,122.70 and 5,260.01 is: 7,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.29 : 13,122.70 = 5,260.01 : x
  2. Step 2: Convert to fraction form
    9,509.29/13,122.70 = 5,260.01/x
  3. Step 3: Cross multiply
    9,509.29x = 13,122.70 × 5,260.01
  4. Step 4: Simplify right side
    9,509.29x = 69,025,591.08
  5. Step 5: Solve for x
    x = 69,025,591.08/9,509.29
  6. Step 6: Final answer
    x = 7,258.76

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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.