Home / 9,619.35-13,262.36-7,888.25

Finding the Fourth Proportional to 9,619.35, 13,262.36 and 7,888.25

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Solution

The fourth proportional to 9,619.35, 13,262.36 and 7,888.25 is: 10,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.35 : 13,262.36 = 7,888.25 : x
  2. Step 2: Convert to fraction form
    9,619.35/13,262.36 = 7,888.25/x
  3. Step 3: Cross multiply
    9,619.35x = 13,262.36 × 7,888.25
  4. Step 4: Simplify right side
    9,619.35x = 104,616,804.98
  5. Step 5: Solve for x
    x = 104,616,804.98/9,619.35
  6. Step 6: Final answer
    x = 10,875.67

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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.