Home / 21,955.73-30,298.23-12,395.97

Finding the Fourth Proportional to 21,955.73, 30,298.23 and 12,395.97

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Solution

The fourth proportional to 21,955.73, 30,298.23 and 12,395.97 is: 17,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.73 : 30,298.23 = 12,395.97 : x
  2. Step 2: Convert to fraction form
    21,955.73/30,298.23 = 12,395.97/x
  3. Step 3: Cross multiply
    21,955.73x = 30,298.23 × 12,395.97
  4. Step 4: Simplify right side
    21,955.73x = 375,575,950.13
  5. Step 5: Solve for x
    x = 375,575,950.13/21,955.73
  6. Step 6: Final answer
    x = 17,106.06

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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.