Home / 13,012.04-17,939.67-8,294.60

Finding the Fourth Proportional to 13,012.04, 17,939.67 and 8,294.60

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Solution

The fourth proportional to 13,012.04, 17,939.67 and 8,294.60 is: 11,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.04 : 17,939.67 = 8,294.60 : x
  2. Step 2: Convert to fraction form
    13,012.04/17,939.67 = 8,294.60/x
  3. Step 3: Cross multiply
    13,012.04x = 17,939.67 × 8,294.60
  4. Step 4: Simplify right side
    13,012.04x = 148,802,386.78
  5. Step 5: Solve for x
    x = 148,802,386.78/13,012.04
  6. Step 6: Final answer
    x = 11,435.75

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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.