Home / 13,553.51-20,325.22-4,666.33

Finding the Fourth Proportional to 13,553.51, 20,325.22 and 4,666.33

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Solution

The fourth proportional to 13,553.51, 20,325.22 and 4,666.33 is: 6,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.51 : 20,325.22 = 4,666.33 : x
  2. Step 2: Convert to fraction form
    13,553.51/20,325.22 = 4,666.33/x
  3. Step 3: Cross multiply
    13,553.51x = 20,325.22 × 4,666.33
  4. Step 4: Simplify right side
    13,553.51x = 94,844,248.19
  5. Step 5: Solve for x
    x = 94,844,248.19/13,553.51
  6. Step 6: Final answer
    x = 6,997.76

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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.