Home / 14,357.73-21,490.41-7,677.55

Finding the Fourth Proportional to 14,357.73, 21,490.41 and 7,677.55

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Solution

The fourth proportional to 14,357.73, 21,490.41 and 7,677.55 is: 11,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.73 : 21,490.41 = 7,677.55 : x
  2. Step 2: Convert to fraction form
    14,357.73/21,490.41 = 7,677.55/x
  3. Step 3: Cross multiply
    14,357.73x = 21,490.41 × 7,677.55
  4. Step 4: Simplify right side
    14,357.73x = 164,993,697.30
  5. Step 5: Solve for x
    x = 164,993,697.30/14,357.73
  6. Step 6: Final answer
    x = 11,491.63

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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.