Home / 21,497.36-29,666.76-12,065.36

Finding the Fourth Proportional to 21,497.36, 29,666.76 and 12,065.36

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Solution

The fourth proportional to 21,497.36, 29,666.76 and 12,065.36 is: 16,650.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.36 : 29,666.76 = 12,065.36 : x
  2. Step 2: Convert to fraction form
    21,497.36/29,666.76 = 12,065.36/x
  3. Step 3: Cross multiply
    21,497.36x = 29,666.76 × 12,065.36
  4. Step 4: Simplify right side
    21,497.36x = 357,940,139.43
  5. Step 5: Solve for x
    x = 357,940,139.43/21,497.36
  6. Step 6: Final answer
    x = 16,650.42

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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.