Home / 14,267.56-21,401.34-3,880.12

Finding the Fourth Proportional to 14,267.56, 21,401.34 and 3,880.12

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Solution

The fourth proportional to 14,267.56, 21,401.34 and 3,880.12 is: 5,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.56 : 21,401.34 = 3,880.12 : x
  2. Step 2: Convert to fraction form
    14,267.56/21,401.34 = 3,880.12/x
  3. Step 3: Cross multiply
    14,267.56x = 21,401.34 × 3,880.12
  4. Step 4: Simplify right side
    14,267.56x = 83,039,767.36
  5. Step 5: Solve for x
    x = 83,039,767.36/14,267.56
  6. Step 6: Final answer
    x = 5,820.18

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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.