Home / 15,789-23,670.66-6,433.38

Finding the Fourth Proportional to 15,789, 23,670.66 and 6,433.38

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Solution

The fourth proportional to 15,789, 23,670.66 and 6,433.38 is: 9,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789 : 23,670.66 = 6,433.38 : x
  2. Step 2: Convert to fraction form
    15,789/23,670.66 = 6,433.38/x
  3. Step 3: Cross multiply
    15,789x = 23,670.66 × 6,433.38
  4. Step 4: Simplify right side
    15,789x = 152,282,350.63
  5. Step 5: Solve for x
    x = 152,282,350.63/15,789
  6. Step 6: Final answer
    x = 9,644.84

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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.