Home / 14,319.18-21,476.34-3,928.50

Finding the Fourth Proportional to 14,319.18, 21,476.34 and 3,928.50

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Solution

The fourth proportional to 14,319.18, 21,476.34 and 3,928.50 is: 5,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.18 : 21,476.34 = 3,928.50 : x
  2. Step 2: Convert to fraction form
    14,319.18/21,476.34 = 3,928.50/x
  3. Step 3: Cross multiply
    14,319.18x = 21,476.34 × 3,928.50
  4. Step 4: Simplify right side
    14,319.18x = 84,369,801.69
  5. Step 5: Solve for x
    x = 84,369,801.69/14,319.18
  6. Step 6: Final answer
    x = 5,892.08

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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.