Home / 14,425.83-19,902.06-8,455.32

Finding the Fourth Proportional to 14,425.83, 19,902.06 and 8,455.32

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Solution

The fourth proportional to 14,425.83, 19,902.06 and 8,455.32 is: 11,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.83 : 19,902.06 = 8,455.32 : x
  2. Step 2: Convert to fraction form
    14,425.83/19,902.06 = 8,455.32/x
  3. Step 3: Cross multiply
    14,425.83x = 19,902.06 × 8,455.32
  4. Step 4: Simplify right side
    14,425.83x = 168,278,285.96
  5. Step 5: Solve for x
    x = 168,278,285.96/14,425.83
  6. Step 6: Final answer
    x = 11,665.07

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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.