Home / 21,952.64-30,294.36-12,521.36

Finding the Fourth Proportional to 21,952.64, 30,294.36 and 12,521.36

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Solution

The fourth proportional to 21,952.64, 30,294.36 and 12,521.36 is: 17,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.64 : 30,294.36 = 12,521.36 : x
  2. Step 2: Convert to fraction form
    21,952.64/30,294.36 = 12,521.36/x
  3. Step 3: Cross multiply
    21,952.64x = 30,294.36 × 12,521.36
  4. Step 4: Simplify right side
    21,952.64x = 379,326,587.53
  5. Step 5: Solve for x
    x = 379,326,587.53/21,952.64
  6. Step 6: Final answer
    x = 17,279.32

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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.