Home / 14,660.26-21,990.40-4,130.28

Finding the Fourth Proportional to 14,660.26, 21,990.40 and 4,130.28

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Solution

The fourth proportional to 14,660.26, 21,990.40 and 4,130.28 is: 6,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.26 : 21,990.40 = 4,130.28 : x
  2. Step 2: Convert to fraction form
    14,660.26/21,990.40 = 4,130.28/x
  3. Step 3: Cross multiply
    14,660.26x = 21,990.40 × 4,130.28
  4. Step 4: Simplify right side
    14,660.26x = 90,826,498.99
  5. Step 5: Solve for x
    x = 90,826,498.99/14,660.26
  6. Step 6: Final answer
    x = 6,195.42

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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.