Home / 12,359.21-17,055.60-6,693.82

Finding the Fourth Proportional to 12,359.21, 17,055.60 and 6,693.82

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Solution

The fourth proportional to 12,359.21, 17,055.60 and 6,693.82 is: 9,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.21 : 17,055.60 = 6,693.82 : x
  2. Step 2: Convert to fraction form
    12,359.21/17,055.60 = 6,693.82/x
  3. Step 3: Cross multiply
    12,359.21x = 17,055.60 × 6,693.82
  4. Step 4: Simplify right side
    12,359.21x = 114,167,048.65
  5. Step 5: Solve for x
    x = 114,167,048.65/12,359.21
  6. Step 6: Final answer
    x = 9,237.41

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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.