Home / 14,040.30-21,060.24-4,179.64

Finding the Fourth Proportional to 14,040.30, 21,060.24 and 4,179.64

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Solution

The fourth proportional to 14,040.30, 21,060.24 and 4,179.64 is: 6,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.30 : 21,060.24 = 4,179.64 : x
  2. Step 2: Convert to fraction form
    14,040.30/21,060.24 = 4,179.64/x
  3. Step 3: Cross multiply
    14,040.30x = 21,060.24 × 4,179.64
  4. Step 4: Simplify right side
    14,040.30x = 88,024,221.51
  5. Step 5: Solve for x
    x = 88,024,221.51/14,040.30
  6. Step 6: Final answer
    x = 6,269.40

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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.