Home / 13,273.93-18,318.09-7,609.01

Finding the Fourth Proportional to 13,273.93, 18,318.09 and 7,609.01

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Solution

The fourth proportional to 13,273.93, 18,318.09 and 7,609.01 is: 10,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.93 : 18,318.09 = 7,609.01 : x
  2. Step 2: Convert to fraction form
    13,273.93/18,318.09 = 7,609.01/x
  3. Step 3: Cross multiply
    13,273.93x = 18,318.09 × 7,609.01
  4. Step 4: Simplify right side
    13,273.93x = 139,382,600.09
  5. Step 5: Solve for x
    x = 139,382,600.09/13,273.93
  6. Step 6: Final answer
    x = 10,500.47

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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.