Home / 21,347.37-29,472.93-13,797.36

Finding the Fourth Proportional to 21,347.37, 29,472.93 and 13,797.36

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Solution

The fourth proportional to 21,347.37, 29,472.93 and 13,797.36 is: 19,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347.37 : 29,472.93 = 13,797.36 : x
  2. Step 2: Convert to fraction form
    21,347.37/29,472.93 = 13,797.36/x
  3. Step 3: Cross multiply
    21,347.37x = 29,472.93 × 13,797.36
  4. Step 4: Simplify right side
    21,347.37x = 406,648,625.46
  5. Step 5: Solve for x
    x = 406,648,625.46/21,347.37
  6. Step 6: Final answer
    x = 19,049.12

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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.