Home / 19,970.36-29,955.54-6,119.36

Finding the Fourth Proportional to 19,970.36, 29,955.54 and 6,119.36

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Solution

The fourth proportional to 19,970.36, 29,955.54 and 6,119.36 is: 9,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.36 : 29,955.54 = 6,119.36 : x
  2. Step 2: Convert to fraction form
    19,970.36/29,955.54 = 6,119.36/x
  3. Step 3: Cross multiply
    19,970.36x = 29,955.54 × 6,119.36
  4. Step 4: Simplify right side
    19,970.36x = 183,308,733.25
  5. Step 5: Solve for x
    x = 183,308,733.25/19,970.36
  6. Step 6: Final answer
    x = 9,179.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.