Home / 18,801.13-25,945.83-10,303.12

Finding the Fourth Proportional to 18,801.13, 25,945.83 and 10,303.12

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Solution

The fourth proportional to 18,801.13, 25,945.83 and 10,303.12 is: 14,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.13 : 25,945.83 = 10,303.12 : x
  2. Step 2: Convert to fraction form
    18,801.13/25,945.83 = 10,303.12/x
  3. Step 3: Cross multiply
    18,801.13x = 25,945.83 × 10,303.12
  4. Step 4: Simplify right side
    18,801.13x = 267,322,999.99
  5. Step 5: Solve for x
    x = 267,322,999.99/18,801.13
  6. Step 6: Final answer
    x = 14,218.45

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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.