Home / 19,970.22-27,559.13-11,017.65

Finding the Fourth Proportional to 19,970.22, 27,559.13 and 11,017.65

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Solution

The fourth proportional to 19,970.22, 27,559.13 and 11,017.65 is: 15,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.22 : 27,559.13 = 11,017.65 : x
  2. Step 2: Convert to fraction form
    19,970.22/27,559.13 = 11,017.65/x
  3. Step 3: Cross multiply
    19,970.22x = 27,559.13 × 11,017.65
  4. Step 4: Simplify right side
    19,970.22x = 303,636,793.56
  5. Step 5: Solve for x
    x = 303,636,793.56/19,970.22
  6. Step 6: Final answer
    x = 15,204.48

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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.