Home / 14,002.04-21,003.05-4,140.54

Finding the Fourth Proportional to 14,002.04, 21,003.05 and 4,140.54

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Solution

The fourth proportional to 14,002.04, 21,003.05 and 4,140.54 is: 6,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.04 : 21,003.05 = 4,140.54 : x
  2. Step 2: Convert to fraction form
    14,002.04/21,003.05 = 4,140.54/x
  3. Step 3: Cross multiply
    14,002.04x = 21,003.05 × 4,140.54
  4. Step 4: Simplify right side
    14,002.04x = 86,964,014.78
  5. Step 5: Solve for x
    x = 86,964,014.78/14,002.04
  6. Step 6: Final answer
    x = 6,210.81

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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.