Home / 13,821.89-19,074.21-7,534.27

Finding the Fourth Proportional to 13,821.89, 19,074.21 and 7,534.27

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Solution

The fourth proportional to 13,821.89, 19,074.21 and 7,534.27 is: 10,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.89 : 19,074.21 = 7,534.27 : x
  2. Step 2: Convert to fraction form
    13,821.89/19,074.21 = 7,534.27/x
  3. Step 3: Cross multiply
    13,821.89x = 19,074.21 × 7,534.27
  4. Step 4: Simplify right side
    13,821.89x = 143,710,157.66
  5. Step 5: Solve for x
    x = 143,710,157.66/13,821.89
  6. Step 6: Final answer
    x = 10,397.29

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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.