Home / 21,554.90-29,741.30-12,600.67

Finding the Fourth Proportional to 21,554.90, 29,741.30 and 12,600.67

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Solution

The fourth proportional to 21,554.90, 29,741.30 and 12,600.67 is: 17,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554.90 : 29,741.30 = 12,600.67 : x
  2. Step 2: Convert to fraction form
    21,554.90/29,741.30 = 12,600.67/x
  3. Step 3: Cross multiply
    21,554.90x = 29,741.30 × 12,600.67
  4. Step 4: Simplify right side
    21,554.90x = 374,760,306.67
  5. Step 5: Solve for x
    x = 374,760,306.67/21,554.90
  6. Step 6: Final answer
    x = 17,386.32

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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.