Home / 11,017.87-15,195.80-10,095.21

Finding the Fourth Proportional to 11,017.87, 15,195.80 and 10,095.21

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Solution

The fourth proportional to 11,017.87, 15,195.80 and 10,095.21 is: 13,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.87 : 15,195.80 = 10,095.21 : x
  2. Step 2: Convert to fraction form
    11,017.87/15,195.80 = 10,095.21/x
  3. Step 3: Cross multiply
    11,017.87x = 15,195.80 × 10,095.21
  4. Step 4: Simplify right side
    11,017.87x = 153,404,817.36
  5. Step 5: Solve for x
    x = 153,404,817.36/11,017.87
  6. Step 6: Final answer
    x = 13,923.28

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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.