Home / 12,894.08-19,334.60-6,310.40

Finding the Fourth Proportional to 12,894.08, 19,334.60 and 6,310.40

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Solution

The fourth proportional to 12,894.08, 19,334.60 and 6,310.40 is: 9,462.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894.08 : 19,334.60 = 6,310.40 : x
  2. Step 2: Convert to fraction form
    12,894.08/19,334.60 = 6,310.40/x
  3. Step 3: Cross multiply
    12,894.08x = 19,334.60 × 6,310.40
  4. Step 4: Simplify right side
    12,894.08x = 122,009,059.84
  5. Step 5: Solve for x
    x = 122,009,059.84/12,894.08
  6. Step 6: Final answer
    x = 9,462.41

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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.