Home / 18,590.90-27,878.69-9,227.48

Finding the Fourth Proportional to 18,590.90, 27,878.69 and 9,227.48

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Solution

The fourth proportional to 18,590.90, 27,878.69 and 9,227.48 is: 13,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.90 : 27,878.69 = 9,227.48 : x
  2. Step 2: Convert to fraction form
    18,590.90/27,878.69 = 9,227.48/x
  3. Step 3: Cross multiply
    18,590.90x = 27,878.69 × 9,227.48
  4. Step 4: Simplify right side
    18,590.90x = 257,249,938.08
  5. Step 5: Solve for x
    x = 257,249,938.08/18,590.90
  6. Step 6: Final answer
    x = 13,837.42

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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.