Home / 10,198.84-14,075.38-5,722.60

Finding the Fourth Proportional to 10,198.84, 14,075.38 and 5,722.60

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Solution

The fourth proportional to 10,198.84, 14,075.38 and 5,722.60 is: 7,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.84 : 14,075.38 = 5,722.60 : x
  2. Step 2: Convert to fraction form
    10,198.84/14,075.38 = 5,722.60/x
  3. Step 3: Cross multiply
    10,198.84x = 14,075.38 × 5,722.60
  4. Step 4: Simplify right side
    10,198.84x = 80,547,769.59
  5. Step 5: Solve for x
    x = 80,547,769.59/10,198.84
  6. Step 6: Final answer
    x = 7,897.74

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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.