Home / 10,195.14-14,054.40-7,205.70

Finding the Fourth Proportional to 10,195.14, 14,054.40 and 7,205.70

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Solution

The fourth proportional to 10,195.14, 14,054.40 and 7,205.70 is: 9,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195.14 : 14,054.40 = 7,205.70 : x
  2. Step 2: Convert to fraction form
    10,195.14/14,054.40 = 7,205.70/x
  3. Step 3: Cross multiply
    10,195.14x = 14,054.40 × 7,205.70
  4. Step 4: Simplify right side
    10,195.14x = 101,271,790.08
  5. Step 5: Solve for x
    x = 101,271,790.08/10,195.14
  6. Step 6: Final answer
    x = 9,933.34

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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.