Home / 14,252.40-21,378.60-6,354.90

Finding the Fourth Proportional to 14,252.40, 21,378.60 and 6,354.90

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Solution

The fourth proportional to 14,252.40, 21,378.60 and 6,354.90 is: 9,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.40 : 21,378.60 = 6,354.90 : x
  2. Step 2: Convert to fraction form
    14,252.40/21,378.60 = 6,354.90/x
  3. Step 3: Cross multiply
    14,252.40x = 21,378.60 × 6,354.90
  4. Step 4: Simplify right side
    14,252.40x = 135,858,865.14
  5. Step 5: Solve for x
    x = 135,858,865.14/14,252.40
  6. Step 6: Final answer
    x = 9,532.35

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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.