Home / 13,528.82-18,669.72-7,560.44

Finding the Fourth Proportional to 13,528.82, 18,669.72 and 7,560.44

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Solution

The fourth proportional to 13,528.82, 18,669.72 and 7,560.44 is: 10,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.82 : 18,669.72 = 7,560.44 : x
  2. Step 2: Convert to fraction form
    13,528.82/18,669.72 = 7,560.44/x
  3. Step 3: Cross multiply
    13,528.82x = 18,669.72 × 7,560.44
  4. Step 4: Simplify right side
    13,528.82x = 141,151,302.89
  5. Step 5: Solve for x
    x = 141,151,302.89/13,528.82
  6. Step 6: Final answer
    x = 10,433.38

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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.