Home / 14,378.70-21,567.74-3,848.72

Finding the Fourth Proportional to 14,378.70, 21,567.74 and 3,848.72

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Solution

The fourth proportional to 14,378.70, 21,567.74 and 3,848.72 is: 5,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.70 : 21,567.74 = 3,848.72 : x
  2. Step 2: Convert to fraction form
    14,378.70/21,567.74 = 3,848.72/x
  3. Step 3: Cross multiply
    14,378.70x = 21,567.74 × 3,848.72
  4. Step 4: Simplify right side
    14,378.70x = 83,008,065.21
  5. Step 5: Solve for x
    x = 83,008,065.21/14,378.70
  6. Step 6: Final answer
    x = 5,772.99

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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.