Home / 14,246.78-21,369.38-4,384.78

Finding the Fourth Proportional to 14,246.78, 21,369.38 and 4,384.78

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Solution

The fourth proportional to 14,246.78, 21,369.38 and 4,384.78 is: 6,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.78 : 21,369.38 = 4,384.78 : x
  2. Step 2: Convert to fraction form
    14,246.78/21,369.38 = 4,384.78/x
  3. Step 3: Cross multiply
    14,246.78x = 21,369.38 × 4,384.78
  4. Step 4: Simplify right side
    14,246.78x = 93,699,954.69
  5. Step 5: Solve for x
    x = 93,699,954.69/14,246.78
  6. Step 6: Final answer
    x = 6,576.92

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1.5x scale

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.