Home / 12,886.44-19,331.19-4,564.77

Finding the Fourth Proportional to 12,886.44, 19,331.19 and 4,564.77

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Solution

The fourth proportional to 12,886.44, 19,331.19 and 4,564.77 is: 6,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.44 : 19,331.19 = 4,564.77 : x
  2. Step 2: Convert to fraction form
    12,886.44/19,331.19 = 4,564.77/x
  3. Step 3: Cross multiply
    12,886.44x = 19,331.19 × 4,564.77
  4. Step 4: Simplify right side
    12,886.44x = 88,242,436.18
  5. Step 5: Solve for x
    x = 88,242,436.18/12,886.44
  6. Step 6: Final answer
    x = 6,847.70

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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.