Home / 9,019.06-13,509.96-5,309.86

Finding the Fourth Proportional to 9,019.06, 13,509.96 and 5,309.86

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Solution

The fourth proportional to 9,019.06, 13,509.96 and 5,309.86 is: 7,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.06 : 13,509.96 = 5,309.86 : x
  2. Step 2: Convert to fraction form
    9,019.06/13,509.96 = 5,309.86/x
  3. Step 3: Cross multiply
    9,019.06x = 13,509.96 × 5,309.86
  4. Step 4: Simplify right side
    9,019.06x = 71,735,996.21
  5. Step 5: Solve for x
    x = 71,735,996.21/9,019.06
  6. Step 6: Final answer
    x = 7,953.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.