Home / 19,441.74-26,820-12,370.44

Finding the Fourth Proportional to 19,441.74, 26,820 and 12,370.44

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Solution

The fourth proportional to 19,441.74, 26,820 and 12,370.44 is: 17,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.74 : 26,820 = 12,370.44 : x
  2. Step 2: Convert to fraction form
    19,441.74/26,820 = 12,370.44/x
  3. Step 3: Cross multiply
    19,441.74x = 26,820 × 12,370.44
  4. Step 4: Simplify right side
    19,441.74x = 331,775,200.80
  5. Step 5: Solve for x
    x = 331,775,200.80/19,441.74
  6. Step 6: Final answer
    x = 17,065.10

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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.