Home / 13,923.18-19,214.37-7,955.82

Finding the Fourth Proportional to 13,923.18, 19,214.37 and 7,955.82

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Solution

The fourth proportional to 13,923.18, 19,214.37 and 7,955.82 is: 10,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.18 : 19,214.37 = 7,955.82 : x
  2. Step 2: Convert to fraction form
    13,923.18/19,214.37 = 7,955.82/x
  3. Step 3: Cross multiply
    13,923.18x = 19,214.37 × 7,955.82
  4. Step 4: Simplify right side
    13,923.18x = 152,866,069.13
  5. Step 5: Solve for x
    x = 152,866,069.13/13,923.18
  6. Step 6: Final answer
    x = 10,979.25

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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.