Home / 18,577.86-25,635.75-11,022.89

Finding the Fourth Proportional to 18,577.86, 25,635.75 and 11,022.89

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Solution

The fourth proportional to 18,577.86, 25,635.75 and 11,022.89 is: 15,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.86 : 25,635.75 = 11,022.89 : x
  2. Step 2: Convert to fraction form
    18,577.86/25,635.75 = 11,022.89/x
  3. Step 3: Cross multiply
    18,577.86x = 25,635.75 × 11,022.89
  4. Step 4: Simplify right side
    18,577.86x = 282,580,052.32
  5. Step 5: Solve for x
    x = 282,580,052.32/18,577.86
  6. Step 6: Final answer
    x = 15,210.58

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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.