Home / 14,574.80-21,845.63-12,816.36

Finding the Fourth Proportional to 14,574.80, 21,845.63 and 12,816.36

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Solution

The fourth proportional to 14,574.80, 21,845.63 and 12,816.36 is: 19,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.80 : 21,845.63 = 12,816.36 : x
  2. Step 2: Convert to fraction form
    14,574.80/21,845.63 = 12,816.36/x
  3. Step 3: Cross multiply
    14,574.80x = 21,845.63 × 12,816.36
  4. Step 4: Simplify right side
    14,574.80x = 279,981,490.55
  5. Step 5: Solve for x
    x = 279,981,490.55/14,574.80
  6. Step 6: Final answer
    x = 19,209.97

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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.