Home / 13,923.23-19,212.81-7,954.88

Finding the Fourth Proportional to 13,923.23, 19,212.81 and 7,954.88

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Solution

The fourth proportional to 13,923.23, 19,212.81 and 7,954.88 is: 10,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.23 : 19,212.81 = 7,954.88 : x
  2. Step 2: Convert to fraction form
    13,923.23/19,212.81 = 7,954.88/x
  3. Step 3: Cross multiply
    13,923.23x = 19,212.81 × 7,954.88
  4. Step 4: Simplify right side
    13,923.23x = 152,835,598.01
  5. Step 5: Solve for x
    x = 152,835,598.01/13,923.23
  6. Step 6: Final answer
    x = 10,977.02

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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.