Home / 17,867.70-26,801.55-5,389.65

Finding the Fourth Proportional to 17,867.70, 26,801.55 and 5,389.65

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Solution

The fourth proportional to 17,867.70, 26,801.55 and 5,389.65 is: 8,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.70 : 26,801.55 = 5,389.65 : x
  2. Step 2: Convert to fraction form
    17,867.70/26,801.55 = 5,389.65/x
  3. Step 3: Cross multiply
    17,867.70x = 26,801.55 × 5,389.65
  4. Step 4: Simplify right side
    17,867.70x = 144,450,973.96
  5. Step 5: Solve for x
    x = 144,450,973.96/17,867.70
  6. Step 6: Final answer
    x = 8,084.48

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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.