Home / 14,513.80-21,759.73-7,490.76

Finding the Fourth Proportional to 14,513.80, 21,759.73 and 7,490.76

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Solution

The fourth proportional to 14,513.80, 21,759.73 and 7,490.76 is: 11,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.80 : 21,759.73 = 7,490.76 : x
  2. Step 2: Convert to fraction form
    14,513.80/21,759.73 = 7,490.76/x
  3. Step 3: Cross multiply
    14,513.80x = 21,759.73 × 7,490.76
  4. Step 4: Simplify right side
    14,513.80x = 162,996,896.37
  5. Step 5: Solve for x
    x = 162,996,896.37/14,513.80
  6. Step 6: Final answer
    x = 11,230.48

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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.