Home / 14,150.20-21,225.30-6,758.20

Finding the Fourth Proportional to 14,150.20, 21,225.30 and 6,758.20

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Solution

The fourth proportional to 14,150.20, 21,225.30 and 6,758.20 is: 10,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.20 : 21,225.30 = 6,758.20 : x
  2. Step 2: Convert to fraction form
    14,150.20/21,225.30 = 6,758.20/x
  3. Step 3: Cross multiply
    14,150.20x = 21,225.30 × 6,758.20
  4. Step 4: Simplify right side
    14,150.20x = 143,444,822.46
  5. Step 5: Solve for x
    x = 143,444,822.46/14,150.20
  6. Step 6: Final answer
    x = 10,137.30

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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.