Home / 21,653.67-29,866.29-16,560.69

Finding the Fourth Proportional to 21,653.67, 29,866.29 and 16,560.69

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Solution

The fourth proportional to 21,653.67, 29,866.29 and 16,560.69 is: 22,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.67 : 29,866.29 = 16,560.69 : x
  2. Step 2: Convert to fraction form
    21,653.67/29,866.29 = 16,560.69/x
  3. Step 3: Cross multiply
    21,653.67x = 29,866.29 × 16,560.69
  4. Step 4: Simplify right side
    21,653.67x = 494,606,370.14
  5. Step 5: Solve for x
    x = 494,606,370.14/21,653.67
  6. Step 6: Final answer
    x = 22,841.69

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Double scale
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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.