Home / 13,822.23-19,075.09-8,445.56

Finding the Fourth Proportional to 13,822.23, 19,075.09 and 8,445.56

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Solution

The fourth proportional to 13,822.23, 19,075.09 and 8,445.56 is: 11,655.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.23 : 19,075.09 = 8,445.56 : x
  2. Step 2: Convert to fraction form
    13,822.23/19,075.09 = 8,445.56/x
  3. Step 3: Cross multiply
    13,822.23x = 19,075.09 × 8,445.56
  4. Step 4: Simplify right side
    13,822.23x = 161,099,817.10
  5. Step 5: Solve for x
    x = 161,099,817.10/13,822.23
  6. Step 6: Final answer
    x = 11,655.12

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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.