Home / 14,103.18-21,156.63-5,217.30

Finding the Fourth Proportional to 14,103.18, 21,156.63 and 5,217.30

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Solution

The fourth proportional to 14,103.18, 21,156.63 and 5,217.30 is: 7,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.18 : 21,156.63 = 5,217.30 : x
  2. Step 2: Convert to fraction form
    14,103.18/21,156.63 = 5,217.30/x
  3. Step 3: Cross multiply
    14,103.18x = 21,156.63 × 5,217.30
  4. Step 4: Simplify right side
    14,103.18x = 110,380,485.70
  5. Step 5: Solve for x
    x = 110,380,485.70/14,103.18
  6. Step 6: Final answer
    x = 7,826.64

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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.