Home / 10,445.63-15,669.98-3,783.68

Finding the Fourth Proportional to 10,445.63, 15,669.98 and 3,783.68

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Solution

The fourth proportional to 10,445.63, 15,669.98 and 3,783.68 is: 5,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.63 : 15,669.98 = 3,783.68 : x
  2. Step 2: Convert to fraction form
    10,445.63/15,669.98 = 3,783.68/x
  3. Step 3: Cross multiply
    10,445.63x = 15,669.98 × 3,783.68
  4. Step 4: Simplify right side
    10,445.63x = 59,290,092.66
  5. Step 5: Solve for x
    x = 59,290,092.66/10,445.63
  6. Step 6: Final answer
    x = 5,676.07

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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.