Home / 19,370.96-26,730.60-10,872.08

Finding the Fourth Proportional to 19,370.96, 26,730.60 and 10,872.08

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Solution

The fourth proportional to 19,370.96, 26,730.60 and 10,872.08 is: 15,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.96 : 26,730.60 = 10,872.08 : x
  2. Step 2: Convert to fraction form
    19,370.96/26,730.60 = 10,872.08/x
  3. Step 3: Cross multiply
    19,370.96x = 26,730.60 × 10,872.08
  4. Step 4: Simplify right side
    19,370.96x = 290,617,221.65
  5. Step 5: Solve for x
    x = 290,617,221.65/19,370.96
  6. Step 6: Final answer
    x = 15,002.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.