Home / 14,980-22,356.09-13,319.30

Finding the Fourth Proportional to 14,980, 22,356.09 and 13,319.30

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Solution

The fourth proportional to 14,980, 22,356.09 and 13,319.30 is: 19,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980 : 22,356.09 = 13,319.30 : x
  2. Step 2: Convert to fraction form
    14,980/22,356.09 = 13,319.30/x
  3. Step 3: Cross multiply
    14,980x = 22,356.09 × 13,319.30
  4. Step 4: Simplify right side
    14,980x = 297,767,469.54
  5. Step 5: Solve for x
    x = 297,767,469.54/14,980
  6. Step 6: Final answer
    x = 19,877.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.