Home / 13,471.78-18,584.63-10,467.05

Finding the Fourth Proportional to 13,471.78, 18,584.63 and 10,467.05

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Solution

The fourth proportional to 13,471.78, 18,584.63 and 10,467.05 is: 14,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.78 : 18,584.63 = 10,467.05 : x
  2. Step 2: Convert to fraction form
    13,471.78/18,584.63 = 10,467.05/x
  3. Step 3: Cross multiply
    13,471.78x = 18,584.63 × 10,467.05
  4. Step 4: Simplify right side
    13,471.78x = 194,526,199.11
  5. Step 5: Solve for x
    x = 194,526,199.11/13,471.78
  6. Step 6: Final answer
    x = 14,439.53

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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.