Home / 22,277.30-30,741.74-13,319.51

Finding the Fourth Proportional to 22,277.30, 30,741.74 and 13,319.51

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Solution

The fourth proportional to 22,277.30, 30,741.74 and 13,319.51 is: 18,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.30 : 30,741.74 = 13,319.51 : x
  2. Step 2: Convert to fraction form
    22,277.30/30,741.74 = 13,319.51/x
  3. Step 3: Cross multiply
    22,277.30x = 30,741.74 × 13,319.51
  4. Step 4: Simplify right side
    22,277.30x = 409,464,973.55
  5. Step 5: Solve for x
    x = 409,464,973.55/22,277.30
  6. Step 6: Final answer
    x = 18,380.37

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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.