Home / 21,488.04-29,653.03-11,927.37

Finding the Fourth Proportional to 21,488.04, 29,653.03 and 11,927.37

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Solution

The fourth proportional to 21,488.04, 29,653.03 and 11,927.37 is: 16,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.04 : 29,653.03 = 11,927.37 : x
  2. Step 2: Convert to fraction form
    21,488.04/29,653.03 = 11,927.37/x
  3. Step 3: Cross multiply
    21,488.04x = 29,653.03 × 11,927.37
  4. Step 4: Simplify right side
    21,488.04x = 353,682,630.61
  5. Step 5: Solve for x
    x = 353,682,630.61/21,488.04
  6. Step 6: Final answer
    x = 16,459.51

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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.