Home / 14,271.34-19,693.38-7,982.50

Finding the Fourth Proportional to 14,271.34, 19,693.38 and 7,982.50

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Solution

The fourth proportional to 14,271.34, 19,693.38 and 7,982.50 is: 11,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.34 : 19,693.38 = 7,982.50 : x
  2. Step 2: Convert to fraction form
    14,271.34/19,693.38 = 7,982.50/x
  3. Step 3: Cross multiply
    14,271.34x = 19,693.38 × 7,982.50
  4. Step 4: Simplify right side
    14,271.34x = 157,202,405.85
  5. Step 5: Solve for x
    x = 157,202,405.85/14,271.34
  6. Step 6: Final answer
    x = 11,015.25

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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.