Home / 9,505.15-13,117.19-5,255.99

Finding the Fourth Proportional to 9,505.15, 13,117.19 and 5,255.99

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Solution

The fourth proportional to 9,505.15, 13,117.19 and 5,255.99 is: 7,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.15 : 13,117.19 = 5,255.99 : x
  2. Step 2: Convert to fraction form
    9,505.15/13,117.19 = 5,255.99/x
  3. Step 3: Cross multiply
    9,505.15x = 13,117.19 × 5,255.99
  4. Step 4: Simplify right side
    9,505.15x = 68,943,806.36
  5. Step 5: Solve for x
    x = 68,943,806.36/9,505.15
  6. Step 6: Final answer
    x = 7,253.31

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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.