Home / 10,198.98-15,295.93-2,803.07

Finding the Fourth Proportional to 10,198.98, 15,295.93 and 2,803.07

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Solution

The fourth proportional to 10,198.98, 15,295.93 and 2,803.07 is: 4,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.98 : 15,295.93 = 2,803.07 : x
  2. Step 2: Convert to fraction form
    10,198.98/15,295.93 = 2,803.07/x
  3. Step 3: Cross multiply
    10,198.98x = 15,295.93 × 2,803.07
  4. Step 4: Simplify right side
    10,198.98x = 42,875,562.51
  5. Step 5: Solve for x
    x = 42,875,562.51/10,198.98
  6. Step 6: Final answer
    x = 4,203.91

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1.5x scale

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.