Home / 9,991.19-14,983.95-2,970.92

Finding the Fourth Proportional to 9,991.19, 14,983.95 and 2,970.92

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Solution

The fourth proportional to 9,991.19, 14,983.95 and 2,970.92 is: 4,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.19 : 14,983.95 = 2,970.92 : x
  2. Step 2: Convert to fraction form
    9,991.19/14,983.95 = 2,970.92/x
  3. Step 3: Cross multiply
    9,991.19x = 14,983.95 × 2,970.92
  4. Step 4: Simplify right side
    9,991.19x = 44,516,116.73
  5. Step 5: Solve for x
    x = 44,516,116.73/9,991.19
  6. Step 6: Final answer
    x = 4,455.54

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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.