Home / 18,847.35-26,010.01-12,485.00

Finding the Fourth Proportional to 18,847.35, 26,010.01 and 12,485.00

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Solution

The fourth proportional to 18,847.35, 26,010.01 and 12,485.00 is: 17,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.35 : 26,010.01 = 12,485.00 : x
  2. Step 2: Convert to fraction form
    18,847.35/26,010.01 = 12,485.00/x
  3. Step 3: Cross multiply
    18,847.35x = 26,010.01 × 12,485.00
  4. Step 4: Simplify right side
    18,847.35x = 324,735,055.48
  5. Step 5: Solve for x
    x = 324,735,055.48/18,847.35
  6. Step 6: Final answer
    x = 17,229.75

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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.