Home / 12,788.89-19,174.65-4,464.35

Finding the Fourth Proportional to 12,788.89, 19,174.65 and 4,464.35

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Solution

The fourth proportional to 12,788.89, 19,174.65 and 4,464.35 is: 6,693.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.89 : 19,174.65 = 4,464.35 : x
  2. Step 2: Convert to fraction form
    12,788.89/19,174.65 = 4,464.35/x
  3. Step 3: Cross multiply
    12,788.89x = 19,174.65 × 4,464.35
  4. Step 4: Simplify right side
    12,788.89x = 85,602,396.66
  5. Step 5: Solve for x
    x = 85,602,396.66/12,788.89
  6. Step 6: Final answer
    x = 6,693.50

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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.