Home / 12,888.44-19,333.62-3,655.16

Finding the Fourth Proportional to 12,888.44, 19,333.62 and 3,655.16

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Solution

The fourth proportional to 12,888.44, 19,333.62 and 3,655.16 is: 5,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.44 : 19,333.62 = 3,655.16 : x
  2. Step 2: Convert to fraction form
    12,888.44/19,333.62 = 3,655.16/x
  3. Step 3: Cross multiply
    12,888.44x = 19,333.62 × 3,655.16
  4. Step 4: Simplify right side
    12,888.44x = 70,667,474.48
  5. Step 5: Solve for x
    x = 70,667,474.48/12,888.44
  6. Step 6: Final answer
    x = 5,483.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.