Home / 21,764.08-30,033.84-12,333.52

Finding the Fourth Proportional to 21,764.08, 30,033.84 and 12,333.52

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Solution

The fourth proportional to 21,764.08, 30,033.84 and 12,333.52 is: 17,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.08 : 30,033.84 = 12,333.52 : x
  2. Step 2: Convert to fraction form
    21,764.08/30,033.84 = 12,333.52/x
  3. Step 3: Cross multiply
    21,764.08x = 30,033.84 × 12,333.52
  4. Step 4: Simplify right side
    21,764.08x = 370,422,966.32
  5. Step 5: Solve for x
    x = 370,422,966.32/21,764.08
  6. Step 6: Final answer
    x = 17,019.92

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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.