Home / 14,529.82-21,798.18-7,872.97

Finding the Fourth Proportional to 14,529.82, 21,798.18 and 7,872.97

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Solution

The fourth proportional to 14,529.82, 21,798.18 and 7,872.97 is: 11,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.82 : 21,798.18 = 7,872.97 : x
  2. Step 2: Convert to fraction form
    14,529.82/21,798.18 = 7,872.97/x
  3. Step 3: Cross multiply
    14,529.82x = 21,798.18 × 7,872.97
  4. Step 4: Simplify right side
    14,529.82x = 171,616,417.19
  5. Step 5: Solve for x
    x = 171,616,417.19/14,529.82
  6. Step 6: Final answer
    x = 11,811.32

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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.