Home / 14,000.20-21,000.96-4,140.24

Finding the Fourth Proportional to 14,000.20, 21,000.96 and 4,140.24

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Solution

The fourth proportional to 14,000.20, 21,000.96 and 4,140.24 is: 6,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.20 : 21,000.96 = 4,140.24 : x
  2. Step 2: Convert to fraction form
    14,000.20/21,000.96 = 4,140.24/x
  3. Step 3: Cross multiply
    14,000.20x = 21,000.96 × 4,140.24
  4. Step 4: Simplify right side
    14,000.20x = 86,949,014.63
  5. Step 5: Solve for x
    x = 86,949,014.63/14,000.20
  6. Step 6: Final answer
    x = 6,210.56

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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.