Home / 21,034.84-29,028.30-11,603.32

Finding the Fourth Proportional to 21,034.84, 29,028.30 and 11,603.32

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Solution

The fourth proportional to 21,034.84, 29,028.30 and 11,603.32 is: 16,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.84 : 29,028.30 = 11,603.32 : x
  2. Step 2: Convert to fraction form
    21,034.84/29,028.30 = 11,603.32/x
  3. Step 3: Cross multiply
    21,034.84x = 29,028.30 × 11,603.32
  4. Step 4: Simplify right side
    21,034.84x = 336,824,653.96
  5. Step 5: Solve for x
    x = 336,824,653.96/21,034.84
  6. Step 6: Final answer
    x = 16,012.70

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1.5x scale

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.