Home / 14,138.96-19,515.46-8,477.37

Finding the Fourth Proportional to 14,138.96, 19,515.46 and 8,477.37

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Solution

The fourth proportional to 14,138.96, 19,515.46 and 8,477.37 is: 11,700.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.96 : 19,515.46 = 8,477.37 : x
  2. Step 2: Convert to fraction form
    14,138.96/19,515.46 = 8,477.37/x
  3. Step 3: Cross multiply
    14,138.96x = 19,515.46 × 8,477.37
  4. Step 4: Simplify right side
    14,138.96x = 165,439,775.14
  5. Step 5: Solve for x
    x = 165,439,775.14/14,138.96
  6. Step 6: Final answer
    x = 11,700.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.