Home / 13,672.37-20,492.55-6,277.55

Finding the Fourth Proportional to 13,672.37, 20,492.55 and 6,277.55

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Solution

The fourth proportional to 13,672.37, 20,492.55 and 6,277.55 is: 9,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.37 : 20,492.55 = 6,277.55 : x
  2. Step 2: Convert to fraction form
    13,672.37/20,492.55 = 6,277.55/x
  3. Step 3: Cross multiply
    13,672.37x = 20,492.55 × 6,277.55
  4. Step 4: Simplify right side
    13,672.37x = 128,642,904.79
  5. Step 5: Solve for x
    x = 128,642,904.79/13,672.37
  6. Step 6: Final answer
    x = 9,408.97

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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.