Home / 12,759.40-17,616.56-11,410.81

Finding the Fourth Proportional to 12,759.40, 17,616.56 and 11,410.81

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Solution

The fourth proportional to 12,759.40, 17,616.56 and 11,410.81 is: 15,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.40 : 17,616.56 = 11,410.81 : x
  2. Step 2: Convert to fraction form
    12,759.40/17,616.56 = 11,410.81/x
  3. Step 3: Cross multiply
    12,759.40x = 17,616.56 × 11,410.81
  4. Step 4: Simplify right side
    12,759.40x = 201,019,219.01
  5. Step 5: Solve for x
    x = 201,019,219.01/12,759.40
  6. Step 6: Final answer
    x = 15,754.60

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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.