Home / 12,698.66-19,048.59-6,130.37

Finding the Fourth Proportional to 12,698.66, 19,048.59 and 6,130.37

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Solution

The fourth proportional to 12,698.66, 19,048.59 and 6,130.37 is: 9,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.66 : 19,048.59 = 6,130.37 : x
  2. Step 2: Convert to fraction form
    12,698.66/19,048.59 = 6,130.37/x
  3. Step 3: Cross multiply
    12,698.66x = 19,048.59 × 6,130.37
  4. Step 4: Simplify right side
    12,698.66x = 116,774,809.44
  5. Step 5: Solve for x
    x = 116,774,809.44/12,698.66
  6. Step 6: Final answer
    x = 9,195.84

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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.