Home / 14,021.04-21,035.76-4,160.64

Finding the Fourth Proportional to 14,021.04, 21,035.76 and 4,160.64

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Solution

The fourth proportional to 14,021.04, 21,035.76 and 4,160.64 is: 6,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.04 : 21,035.76 = 4,160.64 : x
  2. Step 2: Convert to fraction form
    14,021.04/21,035.76 = 4,160.64/x
  3. Step 3: Cross multiply
    14,021.04x = 21,035.76 × 4,160.64
  4. Step 4: Simplify right side
    14,021.04x = 87,522,224.49
  5. Step 5: Solve for x
    x = 87,522,224.49/14,021.04
  6. Step 6: Final answer
    x = 6,242.21

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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.