Home / 10,198.38-14,075.80-6,617.82

Finding the Fourth Proportional to 10,198.38, 14,075.80 and 6,617.82

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Solution

The fourth proportional to 10,198.38, 14,075.80 and 6,617.82 is: 9,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.38 : 14,075.80 = 6,617.82 : x
  2. Step 2: Convert to fraction form
    10,198.38/14,075.80 = 6,617.82/x
  3. Step 3: Cross multiply
    10,198.38x = 14,075.80 × 6,617.82
  4. Step 4: Simplify right side
    10,198.38x = 93,151,110.76
  5. Step 5: Solve for x
    x = 93,151,110.76/10,198.38
  6. Step 6: Final answer
    x = 9,133.91

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1.5x scale

Why These Related Problems?

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