Home / 20,298.33-28,015.26-11,803.08

Finding the Fourth Proportional to 20,298.33, 28,015.26 and 11,803.08

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Solution

The fourth proportional to 20,298.33, 28,015.26 and 11,803.08 is: 16,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.33 : 28,015.26 = 11,803.08 : x
  2. Step 2: Convert to fraction form
    20,298.33/28,015.26 = 11,803.08/x
  3. Step 3: Cross multiply
    20,298.33x = 28,015.26 × 11,803.08
  4. Step 4: Simplify right side
    20,298.33x = 330,666,355.00
  5. Step 5: Solve for x
    x = 330,666,355.00/20,298.33
  6. Step 6: Final answer
    x = 16,290.32

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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.