Home / 21,894.44-30,210.37-12,332.84

Finding the Fourth Proportional to 21,894.44, 30,210.37 and 12,332.84

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Solution

The fourth proportional to 21,894.44, 30,210.37 and 12,332.84 is: 17,017.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894.44 : 30,210.37 = 12,332.84 : x
  2. Step 2: Convert to fraction form
    21,894.44/30,210.37 = 12,332.84/x
  3. Step 3: Cross multiply
    21,894.44x = 30,210.37 × 12,332.84
  4. Step 4: Simplify right side
    21,894.44x = 372,579,477.67
  5. Step 5: Solve for x
    x = 372,579,477.67/21,894.44
  6. Step 6: Final answer
    x = 17,017.09

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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.