Home / 12,790.91-19,158.59-6,203.25

Finding the Fourth Proportional to 12,790.91, 19,158.59 and 6,203.25

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Solution

The fourth proportional to 12,790.91, 19,158.59 and 6,203.25 is: 9,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.91 : 19,158.59 = 6,203.25 : x
  2. Step 2: Convert to fraction form
    12,790.91/19,158.59 = 6,203.25/x
  3. Step 3: Cross multiply
    12,790.91x = 19,158.59 × 6,203.25
  4. Step 4: Simplify right side
    12,790.91x = 118,845,538.93
  5. Step 5: Solve for x
    x = 118,845,538.93/12,790.91
  6. Step 6: Final answer
    x = 9,291.40

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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.