Home / 9,947.76-14,919.36-4,106.16

Finding the Fourth Proportional to 9,947.76, 14,919.36 and 4,106.16

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Solution

The fourth proportional to 9,947.76, 14,919.36 and 4,106.16 is: 6,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.76 : 14,919.36 = 4,106.16 : x
  2. Step 2: Convert to fraction form
    9,947.76/14,919.36 = 4,106.16/x
  3. Step 3: Cross multiply
    9,947.76x = 14,919.36 × 4,106.16
  4. Step 4: Simplify right side
    9,947.76x = 61,261,279.26
  5. Step 5: Solve for x
    x = 61,261,279.26/9,947.76
  6. Step 6: Final answer
    x = 6,158.30

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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.