Home / 12,893.06-19,341.44-4,890.77

Finding the Fourth Proportional to 12,893.06, 19,341.44 and 4,890.77

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Solution

The fourth proportional to 12,893.06, 19,341.44 and 4,890.77 is: 7,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.06 : 19,341.44 = 4,890.77 : x
  2. Step 2: Convert to fraction form
    12,893.06/19,341.44 = 4,890.77/x
  3. Step 3: Cross multiply
    12,893.06x = 19,341.44 × 4,890.77
  4. Step 4: Simplify right side
    12,893.06x = 94,594,534.51
  5. Step 5: Solve for x
    x = 94,594,534.51/12,893.06
  6. Step 6: Final answer
    x = 7,336.86

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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.