Home / 9,501.40-13,111.92-5,309.65

Finding the Fourth Proportional to 9,501.40, 13,111.92 and 5,309.65

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Solution

The fourth proportional to 9,501.40, 13,111.92 and 5,309.65 is: 7,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,501.40 : 13,111.92 = 5,309.65 : x
  2. Step 2: Convert to fraction form
    9,501.40/13,111.92 = 5,309.65/x
  3. Step 3: Cross multiply
    9,501.40x = 13,111.92 × 5,309.65
  4. Step 4: Simplify right side
    9,501.40x = 69,619,706.03
  5. Step 5: Solve for x
    x = 69,619,706.03/9,501.40
  6. Step 6: Final answer
    x = 7,327.31

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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.