Home / 20,600.67-28,427.18-11,646.93

Finding the Fourth Proportional to 20,600.67, 28,427.18 and 11,646.93

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Solution

The fourth proportional to 20,600.67, 28,427.18 and 11,646.93 is: 16,071.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.67 : 28,427.18 = 11,646.93 : x
  2. Step 2: Convert to fraction form
    20,600.67/28,427.18 = 11,646.93/x
  3. Step 3: Cross multiply
    20,600.67x = 28,427.18 × 11,646.93
  4. Step 4: Simplify right side
    20,600.67x = 331,089,317.32
  5. Step 5: Solve for x
    x = 331,089,317.32/20,600.67
  6. Step 6: Final answer
    x = 16,071.77

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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.