Home / 20,303.33-28,019.47-11,350.83

Finding the Fourth Proportional to 20,303.33, 28,019.47 and 11,350.83

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Solution

The fourth proportional to 20,303.33, 28,019.47 and 11,350.83 is: 15,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.33 : 28,019.47 = 11,350.83 : x
  2. Step 2: Convert to fraction form
    20,303.33/28,019.47 = 11,350.83/x
  3. Step 3: Cross multiply
    20,303.33x = 28,019.47 × 11,350.83
  4. Step 4: Simplify right side
    20,303.33x = 318,044,338.64
  5. Step 5: Solve for x
    x = 318,044,338.64/20,303.33
  6. Step 6: Final answer
    x = 15,664.64

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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.