Home / 18,669.36-25,763.70-10,285.86

Finding the Fourth Proportional to 18,669.36, 25,763.70 and 10,285.86

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Solution

The fourth proportional to 18,669.36, 25,763.70 and 10,285.86 is: 14,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.36 : 25,763.70 = 10,285.86 : x
  2. Step 2: Convert to fraction form
    18,669.36/25,763.70 = 10,285.86/x
  3. Step 3: Cross multiply
    18,669.36x = 25,763.70 × 10,285.86
  4. Step 4: Simplify right side
    18,669.36x = 265,001,811.28
  5. Step 5: Solve for x
    x = 265,001,811.28/18,669.36
  6. Step 6: Final answer
    x = 14,194.48

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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.