Home / 21,065.30-29,071.94-11,635.68

Finding the Fourth Proportional to 21,065.30, 29,071.94 and 11,635.68

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Solution

The fourth proportional to 21,065.30, 29,071.94 and 11,635.68 is: 16,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065.30 : 29,071.94 = 11,635.68 : x
  2. Step 2: Convert to fraction form
    21,065.30/29,071.94 = 11,635.68/x
  3. Step 3: Cross multiply
    21,065.30x = 29,071.94 × 11,635.68
  4. Step 4: Simplify right side
    21,065.30x = 338,271,732.64
  5. Step 5: Solve for x
    x = 338,271,732.64/21,065.30
  6. Step 6: Final answer
    x = 16,058.25

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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.