Home / 9,990.96-14,986.37-2,595.39

Finding the Fourth Proportional to 9,990.96, 14,986.37 and 2,595.39

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Solution

The fourth proportional to 9,990.96, 14,986.37 and 2,595.39 is: 3,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.96 : 14,986.37 = 2,595.39 : x
  2. Step 2: Convert to fraction form
    9,990.96/14,986.37 = 2,595.39/x
  3. Step 3: Cross multiply
    9,990.96x = 14,986.37 × 2,595.39
  4. Step 4: Simplify right side
    9,990.96x = 38,895,461.86
  5. Step 5: Solve for x
    x = 38,895,461.86/9,990.96
  6. Step 6: Final answer
    x = 3,893.07

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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.