Home / 13,107.23-18,088.16-7,441.79

Finding the Fourth Proportional to 13,107.23, 18,088.16 and 7,441.79

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Solution

The fourth proportional to 13,107.23, 18,088.16 and 7,441.79 is: 10,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.23 : 18,088.16 = 7,441.79 : x
  2. Step 2: Convert to fraction form
    13,107.23/18,088.16 = 7,441.79/x
  3. Step 3: Cross multiply
    13,107.23x = 18,088.16 × 7,441.79
  4. Step 4: Simplify right side
    13,107.23x = 134,608,216.37
  5. Step 5: Solve for x
    x = 134,608,216.37/13,107.23
  6. Step 6: Final answer
    x = 10,269.77

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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.