Home / 18,973.68-26,179.62-11,011.65

Finding the Fourth Proportional to 18,973.68, 26,179.62 and 11,011.65

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Solution

The fourth proportional to 18,973.68, 26,179.62 and 11,011.65 is: 15,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.68 : 26,179.62 = 11,011.65 : x
  2. Step 2: Convert to fraction form
    18,973.68/26,179.62 = 11,011.65/x
  3. Step 3: Cross multiply
    18,973.68x = 26,179.62 × 11,011.65
  4. Step 4: Simplify right side
    18,973.68x = 288,280,812.57
  5. Step 5: Solve for x
    x = 288,280,812.57/18,973.68
  6. Step 6: Final answer
    x = 15,193.72

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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.