Home / 18,529.36-25,570.68-10,976.12

Finding the Fourth Proportional to 18,529.36, 25,570.68 and 10,976.12

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Solution

The fourth proportional to 18,529.36, 25,570.68 and 10,976.12 is: 15,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.36 : 25,570.68 = 10,976.12 : x
  2. Step 2: Convert to fraction form
    18,529.36/25,570.68 = 10,976.12/x
  3. Step 3: Cross multiply
    18,529.36x = 25,570.68 × 10,976.12
  4. Step 4: Simplify right side
    18,529.36x = 280,666,852.16
  5. Step 5: Solve for x
    x = 280,666,852.16/18,529.36
  6. Step 6: Final answer
    x = 15,147.14

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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.