Home / 12,798.46-19,203.54-5,780.35

Finding the Fourth Proportional to 12,798.46, 19,203.54 and 5,780.35

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Solution

The fourth proportional to 12,798.46, 19,203.54 and 5,780.35 is: 8,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.46 : 19,203.54 = 5,780.35 : x
  2. Step 2: Convert to fraction form
    12,798.46/19,203.54 = 5,780.35/x
  3. Step 3: Cross multiply
    12,798.46x = 19,203.54 × 5,780.35
  4. Step 4: Simplify right side
    12,798.46x = 111,003,182.44
  5. Step 5: Solve for x
    x = 111,003,182.44/12,798.46
  6. Step 6: Final answer
    x = 8,673.17

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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.