Home / 21,494.08-29,636.58-18,130.96

Finding the Fourth Proportional to 21,494.08, 29,636.58 and 18,130.96

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Solution

The fourth proportional to 21,494.08, 29,636.58 and 18,130.96 is: 24,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494.08 : 29,636.58 = 18,130.96 : x
  2. Step 2: Convert to fraction form
    21,494.08/29,636.58 = 18,130.96/x
  3. Step 3: Cross multiply
    21,494.08x = 29,636.58 × 18,130.96
  4. Step 4: Simplify right side
    21,494.08x = 537,339,646.52
  5. Step 5: Solve for x
    x = 537,339,646.52/21,494.08
  6. Step 6: Final answer
    x = 24,999.43

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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.