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Finding the Fourth Proportional to 14,404.56, 21,607.02 and 4,015.68

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Solution

The fourth proportional to 14,404.56, 21,607.02 and 4,015.68 is: 6,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.56 : 21,607.02 = 4,015.68 : x
  2. Step 2: Convert to fraction form
    14,404.56/21,607.02 = 4,015.68/x
  3. Step 3: Cross multiply
    14,404.56x = 21,607.02 × 4,015.68
  4. Step 4: Simplify right side
    14,404.56x = 86,766,878.07
  5. Step 5: Solve for x
    x = 86,766,878.07/14,404.56
  6. Step 6: Final answer
    x = 6,023.57

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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.