Home / 14,371.22-19,830.96-13,313.30

Finding the Fourth Proportional to 14,371.22, 19,830.96 and 13,313.30

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Solution

The fourth proportional to 14,371.22, 19,830.96 and 13,313.30 is: 18,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.22 : 19,830.96 = 13,313.30 : x
  2. Step 2: Convert to fraction form
    14,371.22/19,830.96 = 13,313.30/x
  3. Step 3: Cross multiply
    14,371.22x = 19,830.96 × 13,313.30
  4. Step 4: Simplify right side
    14,371.22x = 264,015,420.61
  5. Step 5: Solve for x
    x = 264,015,420.61/14,371.22
  6. Step 6: Final answer
    x = 18,371.12

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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.