Home / 14,011.53-21,020.34-4,151.55

Finding the Fourth Proportional to 14,011.53, 21,020.34 and 4,151.55

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Solution

The fourth proportional to 14,011.53, 21,020.34 and 4,151.55 is: 6,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.53 : 21,020.34 = 4,151.55 : x
  2. Step 2: Convert to fraction form
    14,011.53/21,020.34 = 4,151.55/x
  3. Step 3: Cross multiply
    14,011.53x = 21,020.34 × 4,151.55
  4. Step 4: Simplify right side
    14,011.53x = 87,266,992.53
  5. Step 5: Solve for x
    x = 87,266,992.53/14,011.53
  6. Step 6: Final answer
    x = 6,228.23

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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.