Home / 14,021.06-21,029.36-4,660.30

Finding the Fourth Proportional to 14,021.06, 21,029.36 and 4,660.30

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Solution

The fourth proportional to 14,021.06, 21,029.36 and 4,660.30 is: 6,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.06 : 21,029.36 = 4,660.30 : x
  2. Step 2: Convert to fraction form
    14,021.06/21,029.36 = 4,660.30/x
  3. Step 3: Cross multiply
    14,021.06x = 21,029.36 × 4,660.30
  4. Step 4: Simplify right side
    14,021.06x = 98,003,021.26
  5. Step 5: Solve for x
    x = 98,003,021.26/14,021.06
  6. Step 6: Final answer
    x = 6,989.70

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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.