Home / 9,501.54-13,112.09-5,309.79

Finding the Fourth Proportional to 9,501.54, 13,112.09 and 5,309.79

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Solution

The fourth proportional to 9,501.54, 13,112.09 and 5,309.79 is: 7,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,501.54 : 13,112.09 = 5,309.79 : x
  2. Step 2: Convert to fraction form
    9,501.54/13,112.09 = 5,309.79/x
  3. Step 3: Cross multiply
    9,501.54x = 13,112.09 × 5,309.79
  4. Step 4: Simplify right side
    9,501.54x = 69,622,417.81
  5. Step 5: Solve for x
    x = 69,622,417.81/9,501.54
  6. Step 6: Final answer
    x = 7,327.49

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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.