Home / 14,525.11-20,051.28-11,166.74

Finding the Fourth Proportional to 14,525.11, 20,051.28 and 11,166.74

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Solution

The fourth proportional to 14,525.11, 20,051.28 and 11,166.74 is: 15,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.11 : 20,051.28 = 11,166.74 : x
  2. Step 2: Convert to fraction form
    14,525.11/20,051.28 = 11,166.74/x
  3. Step 3: Cross multiply
    14,525.11x = 20,051.28 × 11,166.74
  4. Step 4: Simplify right side
    14,525.11x = 223,907,430.43
  5. Step 5: Solve for x
    x = 223,907,430.43/14,525.11
  6. Step 6: Final answer
    x = 15,415.20

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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.