Home / 14,013.21-21,019.76-4,153.26

Finding the Fourth Proportional to 14,013.21, 21,019.76 and 4,153.26

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Solution

The fourth proportional to 14,013.21, 21,019.76 and 4,153.26 is: 6,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.21 : 21,019.76 = 4,153.26 : x
  2. Step 2: Convert to fraction form
    14,013.21/21,019.76 = 4,153.26/x
  3. Step 3: Cross multiply
    14,013.21x = 21,019.76 × 4,153.26
  4. Step 4: Simplify right side
    14,013.21x = 87,300,528.42
  5. Step 5: Solve for x
    x = 87,300,528.42/14,013.21
  6. Step 6: Final answer
    x = 6,229.87

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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.