Home / 10,369.10-15,548.96-2,971.86

Finding the Fourth Proportional to 10,369.10, 15,548.96 and 2,971.86

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Solution

The fourth proportional to 10,369.10, 15,548.96 and 2,971.86 is: 4,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.10 : 15,548.96 = 2,971.86 : x
  2. Step 2: Convert to fraction form
    10,369.10/15,548.96 = 2,971.86/x
  3. Step 3: Cross multiply
    10,369.10x = 15,548.96 × 2,971.86
  4. Step 4: Simplify right side
    10,369.10x = 46,209,317.41
  5. Step 5: Solve for x
    x = 46,209,317.41/10,369.10
  6. Step 6: Final answer
    x = 4,456.45

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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.