Home / 12,765.91-19,148.88-6,193.06

Finding the Fourth Proportional to 12,765.91, 19,148.88 and 6,193.06

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Solution

The fourth proportional to 12,765.91, 19,148.88 and 6,193.06 is: 9,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765.91 : 19,148.88 = 6,193.06 : x
  2. Step 2: Convert to fraction form
    12,765.91/19,148.88 = 6,193.06/x
  3. Step 3: Cross multiply
    12,765.91x = 19,148.88 × 6,193.06
  4. Step 4: Simplify right side
    12,765.91x = 118,590,162.77
  5. Step 5: Solve for x
    x = 118,590,162.77/12,765.91
  6. Step 6: Final answer
    x = 9,289.60

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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.