Home / 14,190.05-21,298.20-7,175.01

Finding the Fourth Proportional to 14,190.05, 21,298.20 and 7,175.01

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Solution

The fourth proportional to 14,190.05, 21,298.20 and 7,175.01 is: 10,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.05 : 21,298.20 = 7,175.01 : x
  2. Step 2: Convert to fraction form
    14,190.05/21,298.20 = 7,175.01/x
  3. Step 3: Cross multiply
    14,190.05x = 21,298.20 × 7,175.01
  4. Step 4: Simplify right side
    14,190.05x = 152,814,797.98
  5. Step 5: Solve for x
    x = 152,814,797.98/14,190.05
  6. Step 6: Final answer
    x = 10,769.15

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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.