Home / 14,681.56-22,020.30-4,819.72

Finding the Fourth Proportional to 14,681.56, 22,020.30 and 4,819.72

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Solution

The fourth proportional to 14,681.56, 22,020.30 and 4,819.72 is: 7,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.56 : 22,020.30 = 4,819.72 : x
  2. Step 2: Convert to fraction form
    14,681.56/22,020.30 = 4,819.72/x
  3. Step 3: Cross multiply
    14,681.56x = 22,020.30 × 4,819.72
  4. Step 4: Simplify right side
    14,681.56x = 106,131,680.32
  5. Step 5: Solve for x
    x = 106,131,680.32/14,681.56
  6. Step 6: Final answer
    x = 7,228.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.