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Finding the Fourth Proportional to 14,363.12, 21,544.12 and 7,343.05

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Solution

The fourth proportional to 14,363.12, 21,544.12 and 7,343.05 is: 11,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.12 : 21,544.12 = 7,343.05 : x
  2. Step 2: Convert to fraction form
    14,363.12/21,544.12 = 7,343.05/x
  3. Step 3: Cross multiply
    14,363.12x = 21,544.12 × 7,343.05
  4. Step 4: Simplify right side
    14,363.12x = 158,199,532.01
  5. Step 5: Solve for x
    x = 158,199,532.01/14,363.12
  6. Step 6: Final answer
    x = 11,014.29

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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.