Home / 18,601.08-25,669.61-10,643.50

Finding the Fourth Proportional to 18,601.08, 25,669.61 and 10,643.50

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Solution

The fourth proportional to 18,601.08, 25,669.61 and 10,643.50 is: 14,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.08 : 25,669.61 = 10,643.50 : x
  2. Step 2: Convert to fraction form
    18,601.08/25,669.61 = 10,643.50/x
  3. Step 3: Cross multiply
    18,601.08x = 25,669.61 × 10,643.50
  4. Step 4: Simplify right side
    18,601.08x = 273,214,494.04
  5. Step 5: Solve for x
    x = 273,214,494.04/18,601.08
  6. Step 6: Final answer
    x = 14,688.10

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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.