Home / 15,805.43-23,709.50-4,118.63

Finding the Fourth Proportional to 15,805.43, 23,709.50 and 4,118.63

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Solution

The fourth proportional to 15,805.43, 23,709.50 and 4,118.63 is: 6,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.43 : 23,709.50 = 4,118.63 : x
  2. Step 2: Convert to fraction form
    15,805.43/23,709.50 = 4,118.63/x
  3. Step 3: Cross multiply
    15,805.43x = 23,709.50 × 4,118.63
  4. Step 4: Simplify right side
    15,805.43x = 97,650,657.99
  5. Step 5: Solve for x
    x = 97,650,657.99/15,805.43
  6. Step 6: Final answer
    x = 6,178.30

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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.