Home / 13,972.96-19,281.27-7,923.48

Finding the Fourth Proportional to 13,972.96, 19,281.27 and 7,923.48

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Solution

The fourth proportional to 13,972.96, 19,281.27 and 7,923.48 is: 10,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.96 : 19,281.27 = 7,923.48 : x
  2. Step 2: Convert to fraction form
    13,972.96/19,281.27 = 7,923.48/x
  3. Step 3: Cross multiply
    13,972.96x = 19,281.27 × 7,923.48
  4. Step 4: Simplify right side
    13,972.96x = 152,774,757.22
  5. Step 5: Solve for x
    x = 152,774,757.22/13,972.96
  6. Step 6: Final answer
    x = 10,933.60

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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.