Home / 18,290.48-27,435.76-6,603.68

Finding the Fourth Proportional to 18,290.48, 27,435.76 and 6,603.68

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Solution

The fourth proportional to 18,290.48, 27,435.76 and 6,603.68 is: 9,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.48 : 27,435.76 = 6,603.68 : x
  2. Step 2: Convert to fraction form
    18,290.48/27,435.76 = 6,603.68/x
  3. Step 3: Cross multiply
    18,290.48x = 27,435.76 × 6,603.68
  4. Step 4: Simplify right side
    18,290.48x = 181,176,979.60
  5. Step 5: Solve for x
    x = 181,176,979.60/18,290.48
  6. Step 6: Final answer
    x = 9,905.53

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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.