Home / 13,427.20-20,126.22-4,657.33

Finding the Fourth Proportional to 13,427.20, 20,126.22 and 4,657.33

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Solution

The fourth proportional to 13,427.20, 20,126.22 and 4,657.33 is: 6,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.20 : 20,126.22 = 4,657.33 : x
  2. Step 2: Convert to fraction form
    13,427.20/20,126.22 = 4,657.33/x
  3. Step 3: Cross multiply
    13,427.20x = 20,126.22 × 4,657.33
  4. Step 4: Simplify right side
    13,427.20x = 93,734,448.19
  5. Step 5: Solve for x
    x = 93,734,448.19/13,427.20
  6. Step 6: Final answer
    x = 6,980.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.