Home / 22,360.04-30,857.60-12,288.84

Finding the Fourth Proportional to 22,360.04, 30,857.60 and 12,288.84

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Solution

The fourth proportional to 22,360.04, 30,857.60 and 12,288.84 is: 16,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.04 : 30,857.60 = 12,288.84 : x
  2. Step 2: Convert to fraction form
    22,360.04/30,857.60 = 12,288.84/x
  3. Step 3: Cross multiply
    22,360.04x = 30,857.60 × 12,288.84
  4. Step 4: Simplify right side
    22,360.04x = 379,203,970.60
  5. Step 5: Solve for x
    x = 379,203,970.60/22,360.04
  6. Step 6: Final answer
    x = 16,959.00

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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.