Home / 9,992.19-14,985.45-2,971.92

Finding the Fourth Proportional to 9,992.19, 14,985.45 and 2,971.92

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Solution

The fourth proportional to 9,992.19, 14,985.45 and 2,971.92 is: 4,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.19 : 14,985.45 = 2,971.92 : x
  2. Step 2: Convert to fraction form
    9,992.19/14,985.45 = 2,971.92/x
  3. Step 3: Cross multiply
    9,992.19x = 14,985.45 × 2,971.92
  4. Step 4: Simplify right side
    9,992.19x = 44,535,558.56
  5. Step 5: Solve for x
    x = 44,535,558.56/9,992.19
  6. Step 6: Final answer
    x = 4,457.04

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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.