Home / 14,290.00-21,427.78-8,368.77

Finding the Fourth Proportional to 14,290.00, 21,427.78 and 8,368.77

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Solution

The fourth proportional to 14,290.00, 21,427.78 and 8,368.77 is: 12,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.00 : 21,427.78 = 8,368.77 : x
  2. Step 2: Convert to fraction form
    14,290.00/21,427.78 = 8,368.77/x
  3. Step 3: Cross multiply
    14,290.00x = 21,427.78 × 8,368.77
  4. Step 4: Simplify right side
    14,290.00x = 179,324,200.83
  5. Step 5: Solve for x
    x = 179,324,200.83/14,290.00
  6. Step 6: Final answer
    x = 12,548.93

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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.