Home / 12,556.56-17,328.84-8,300.24

Finding the Fourth Proportional to 12,556.56, 17,328.84 and 8,300.24

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Solution

The fourth proportional to 12,556.56, 17,328.84 and 8,300.24 is: 11,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.56 : 17,328.84 = 8,300.24 : x
  2. Step 2: Convert to fraction form
    12,556.56/17,328.84 = 8,300.24/x
  3. Step 3: Cross multiply
    12,556.56x = 17,328.84 × 8,300.24
  4. Step 4: Simplify right side
    12,556.56x = 143,833,526.87
  5. Step 5: Solve for x
    x = 143,833,526.87/12,556.56
  6. Step 6: Final answer
    x = 11,454.85

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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.