Home / 10,106.98-13,947.28-5,630.51

Finding the Fourth Proportional to 10,106.98, 13,947.28 and 5,630.51

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Solution

The fourth proportional to 10,106.98, 13,947.28 and 5,630.51 is: 7,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.98 : 13,947.28 = 5,630.51 : x
  2. Step 2: Convert to fraction form
    10,106.98/13,947.28 = 5,630.51/x
  3. Step 3: Cross multiply
    10,106.98x = 13,947.28 × 5,630.51
  4. Step 4: Simplify right side
    10,106.98x = 78,530,299.51
  5. Step 5: Solve for x
    x = 78,530,299.51/10,106.98
  6. Step 6: Final answer
    x = 7,769.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.