Home / 18,386.58-25,373.62-10,003.08

Finding the Fourth Proportional to 18,386.58, 25,373.62 and 10,003.08

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Solution

The fourth proportional to 18,386.58, 25,373.62 and 10,003.08 is: 13,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.58 : 25,373.62 = 10,003.08 : x
  2. Step 2: Convert to fraction form
    18,386.58/25,373.62 = 10,003.08/x
  3. Step 3: Cross multiply
    18,386.58x = 25,373.62 × 10,003.08
  4. Step 4: Simplify right side
    18,386.58x = 253,814,350.75
  5. Step 5: Solve for x
    x = 253,814,350.75/18,386.58
  6. Step 6: Final answer
    x = 13,804.33

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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.