Home / 14,366.80-21,521.40-8,203.60

Finding the Fourth Proportional to 14,366.80, 21,521.40 and 8,203.60

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Solution

The fourth proportional to 14,366.80, 21,521.40 and 8,203.60 is: 12,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.80 : 21,521.40 = 8,203.60 : x
  2. Step 2: Convert to fraction form
    14,366.80/21,521.40 = 8,203.60/x
  3. Step 3: Cross multiply
    14,366.80x = 21,521.40 × 8,203.60
  4. Step 4: Simplify right side
    14,366.80x = 176,552,957.04
  5. Step 5: Solve for x
    x = 176,552,957.04/14,366.80
  6. Step 6: Final answer
    x = 12,288.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.