Home / 21,952.49-30,285.09-13,993.02

Finding the Fourth Proportional to 21,952.49, 30,285.09 and 13,993.02

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Solution

The fourth proportional to 21,952.49, 30,285.09 and 13,993.02 is: 19,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.49 : 30,285.09 = 13,993.02 : x
  2. Step 2: Convert to fraction form
    21,952.49/30,285.09 = 13,993.02/x
  3. Step 3: Cross multiply
    21,952.49x = 30,285.09 × 13,993.02
  4. Step 4: Simplify right side
    21,952.49x = 423,779,870.07
  5. Step 5: Solve for x
    x = 423,779,870.07/21,952.49
  6. Step 6: Final answer
    x = 19,304.41

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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.