Home / 14,011.40-21,020.16-4,151.44

Finding the Fourth Proportional to 14,011.40, 21,020.16 and 4,151.44

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Solution

The fourth proportional to 14,011.40, 21,020.16 and 4,151.44 is: 6,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.40 : 21,020.16 = 4,151.44 : x
  2. Step 2: Convert to fraction form
    14,011.40/21,020.16 = 4,151.44/x
  3. Step 3: Cross multiply
    14,011.40x = 21,020.16 × 4,151.44
  4. Step 4: Simplify right side
    14,011.40x = 87,263,933.03
  5. Step 5: Solve for x
    x = 87,263,933.03/14,011.40
  6. Step 6: Final answer
    x = 6,228.07

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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.