Home / 21,477.34-29,638.67-12,046.11

Finding the Fourth Proportional to 21,477.34, 29,638.67 and 12,046.11

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Solution

The fourth proportional to 21,477.34, 29,638.67 and 12,046.11 is: 16,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.34 : 29,638.67 = 12,046.11 : x
  2. Step 2: Convert to fraction form
    21,477.34/29,638.67 = 12,046.11/x
  3. Step 3: Cross multiply
    21,477.34x = 29,638.67 × 12,046.11
  4. Step 4: Simplify right side
    21,477.34x = 357,030,470.65
  5. Step 5: Solve for x
    x = 357,030,470.65/21,477.34
  6. Step 6: Final answer
    x = 16,623.59

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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.