Home / 9,985.86-14,986.53-3,751.54

Finding the Fourth Proportional to 9,985.86, 14,986.53 and 3,751.54

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Solution

The fourth proportional to 9,985.86, 14,986.53 and 3,751.54 is: 5,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.86 : 14,986.53 = 3,751.54 : x
  2. Step 2: Convert to fraction form
    9,985.86/14,986.53 = 3,751.54/x
  3. Step 3: Cross multiply
    9,985.86x = 14,986.53 × 3,751.54
  4. Step 4: Simplify right side
    9,985.86x = 56,222,529.29
  5. Step 5: Solve for x
    x = 56,222,529.29/9,985.86
  6. Step 6: Final answer
    x = 5,630.21

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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.