Home / 21,797.04-30,079.47-12,237.15

Finding the Fourth Proportional to 21,797.04, 30,079.47 and 12,237.15

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Solution

The fourth proportional to 21,797.04, 30,079.47 and 12,237.15 is: 16,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.04 : 30,079.47 = 12,237.15 : x
  2. Step 2: Convert to fraction form
    21,797.04/30,079.47 = 12,237.15/x
  3. Step 3: Cross multiply
    21,797.04x = 30,079.47 × 12,237.15
  4. Step 4: Simplify right side
    21,797.04x = 368,086,986.31
  5. Step 5: Solve for x
    x = 368,086,986.31/21,797.04
  6. Step 6: Final answer
    x = 16,887.02

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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.