Home / 13,912.03-19,188.43-10,136.35

Finding the Fourth Proportional to 13,912.03, 19,188.43 and 10,136.35

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Solution

The fourth proportional to 13,912.03, 19,188.43 and 10,136.35 is: 13,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.03 : 19,188.43 = 10,136.35 : x
  2. Step 2: Convert to fraction form
    13,912.03/19,188.43 = 10,136.35/x
  3. Step 3: Cross multiply
    13,912.03x = 19,188.43 × 10,136.35
  4. Step 4: Simplify right side
    13,912.03x = 194,500,642.43
  5. Step 5: Solve for x
    x = 194,500,642.43/13,912.03
  6. Step 6: Final answer
    x = 13,980.75

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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.