Home / 9,509.36-13,122.68-5,260.57

Finding the Fourth Proportional to 9,509.36, 13,122.68 and 5,260.57

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Solution

The fourth proportional to 9,509.36, 13,122.68 and 5,260.57 is: 7,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509.36 : 13,122.68 = 5,260.57 : x
  2. Step 2: Convert to fraction form
    9,509.36/13,122.68 = 5,260.57/x
  3. Step 3: Cross multiply
    9,509.36x = 13,122.68 × 5,260.57
  4. Step 4: Simplify right side
    9,509.36x = 69,032,717.62
  5. Step 5: Solve for x
    x = 69,032,717.62/9,509.36
  6. Step 6: Final answer
    x = 7,259.45

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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.