Home / 18,386.79-27,580.19-5,907.83

Finding the Fourth Proportional to 18,386.79, 27,580.19 and 5,907.83

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Solution

The fourth proportional to 18,386.79, 27,580.19 and 5,907.83 is: 8,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.79 : 27,580.19 = 5,907.83 : x
  2. Step 2: Convert to fraction form
    18,386.79/27,580.19 = 5,907.83/x
  3. Step 3: Cross multiply
    18,386.79x = 27,580.19 × 5,907.83
  4. Step 4: Simplify right side
    18,386.79x = 162,939,044.35
  5. Step 5: Solve for x
    x = 162,939,044.35/18,386.79
  6. Step 6: Final answer
    x = 8,861.75

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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.