Home / 9,087.76-13,603.55-7,759.36

Finding the Fourth Proportional to 9,087.76, 13,603.55 and 7,759.36

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Solution

The fourth proportional to 9,087.76, 13,603.55 and 7,759.36 is: 11,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.76 : 13,603.55 = 7,759.36 : x
  2. Step 2: Convert to fraction form
    9,087.76/13,603.55 = 7,759.36/x
  3. Step 3: Cross multiply
    9,087.76x = 13,603.55 × 7,759.36
  4. Step 4: Simplify right side
    9,087.76x = 105,554,773.71
  5. Step 5: Solve for x
    x = 105,554,773.71/9,087.76
  6. Step 6: Final answer
    x = 11,615.05

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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.