Home / 12,290.08-16,976.64-10,715.44

Finding the Fourth Proportional to 12,290.08, 16,976.64 and 10,715.44

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Solution

The fourth proportional to 12,290.08, 16,976.64 and 10,715.44 is: 14,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,290.08 : 16,976.64 = 10,715.44 : x
  2. Step 2: Convert to fraction form
    12,290.08/16,976.64 = 10,715.44/x
  3. Step 3: Cross multiply
    12,290.08x = 16,976.64 × 10,715.44
  4. Step 4: Simplify right side
    12,290.08x = 181,912,167.32
  5. Step 5: Solve for x
    x = 181,912,167.32/12,290.08
  6. Step 6: Final answer
    x = 14,801.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.