Home / 13,923.93-19,213.25-7,955.99

Finding the Fourth Proportional to 13,923.93, 19,213.25 and 7,955.99

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Solution

The fourth proportional to 13,923.93, 19,213.25 and 7,955.99 is: 10,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.93 : 19,213.25 = 7,955.99 : x
  2. Step 2: Convert to fraction form
    13,923.93/19,213.25 = 7,955.99/x
  3. Step 3: Cross multiply
    13,923.93x = 19,213.25 × 7,955.99
  4. Step 4: Simplify right side
    13,923.93x = 152,860,289.02
  5. Step 5: Solve for x
    x = 152,860,289.02/13,923.93
  6. Step 6: Final answer
    x = 10,978.24

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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.