Home / 12,868.47-19,307.26-4,546.33

Finding the Fourth Proportional to 12,868.47, 19,307.26 and 4,546.33

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Solution

The fourth proportional to 12,868.47, 19,307.26 and 4,546.33 is: 6,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868.47 : 19,307.26 = 4,546.33 : x
  2. Step 2: Convert to fraction form
    12,868.47/19,307.26 = 4,546.33/x
  3. Step 3: Cross multiply
    12,868.47x = 19,307.26 × 4,546.33
  4. Step 4: Simplify right side
    12,868.47x = 87,777,132.77
  5. Step 5: Solve for x
    x = 87,777,132.77/12,868.47
  6. Step 6: Final answer
    x = 6,821.10

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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.