Home / 13,555.03-20,333.27-4,201.51

Finding the Fourth Proportional to 13,555.03, 20,333.27 and 4,201.51

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Solution

The fourth proportional to 13,555.03, 20,333.27 and 4,201.51 is: 6,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.03 : 20,333.27 = 4,201.51 : x
  2. Step 2: Convert to fraction form
    13,555.03/20,333.27 = 4,201.51/x
  3. Step 3: Cross multiply
    13,555.03x = 20,333.27 × 4,201.51
  4. Step 4: Simplify right side
    13,555.03x = 85,430,416.23
  5. Step 5: Solve for x
    x = 85,430,416.23/13,555.03
  6. Step 6: Final answer
    x = 6,302.49

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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.