Home / 13,554.09-18,722.51-10,406.27

Finding the Fourth Proportional to 13,554.09, 18,722.51 and 10,406.27

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Solution

The fourth proportional to 13,554.09, 18,722.51 and 10,406.27 is: 14,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.09 : 18,722.51 = 10,406.27 : x
  2. Step 2: Convert to fraction form
    13,554.09/18,722.51 = 10,406.27/x
  3. Step 3: Cross multiply
    13,554.09x = 18,722.51 × 10,406.27
  4. Step 4: Simplify right side
    13,554.09x = 194,831,494.14
  5. Step 5: Solve for x
    x = 194,831,494.14/13,554.09
  6. Step 6: Final answer
    x = 14,374.37

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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.