Home / 21,364.74-29,476.84-12,410.50

Finding the Fourth Proportional to 21,364.74, 29,476.84 and 12,410.50

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Solution

The fourth proportional to 21,364.74, 29,476.84 and 12,410.50 is: 17,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,364.74 : 29,476.84 = 12,410.50 : x
  2. Step 2: Convert to fraction form
    21,364.74/29,476.84 = 12,410.50/x
  3. Step 3: Cross multiply
    21,364.74x = 29,476.84 × 12,410.50
  4. Step 4: Simplify right side
    21,364.74x = 365,822,322.82
  5. Step 5: Solve for x
    x = 365,822,322.82/21,364.74
  6. Step 6: Final answer
    x = 17,122.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.