Home / 18,036.96-27,050.40-7,641.60

Finding the Fourth Proportional to 18,036.96, 27,050.40 and 7,641.60

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Solution

The fourth proportional to 18,036.96, 27,050.40 and 7,641.60 is: 11,460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.96 : 27,050.40 = 7,641.60 : x
  2. Step 2: Convert to fraction form
    18,036.96/27,050.40 = 7,641.60/x
  3. Step 3: Cross multiply
    18,036.96x = 27,050.40 × 7,641.60
  4. Step 4: Simplify right side
    18,036.96x = 206,708,336.64
  5. Step 5: Solve for x
    x = 206,708,336.64/18,036.96
  6. Step 6: Final answer
    x = 11,460.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.