Home / 17,638.29-26,461.08-13,018.86

Finding the Fourth Proportional to 17,638.29, 26,461.08 and 13,018.86

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Solution

The fourth proportional to 17,638.29, 26,461.08 and 13,018.86 is: 19,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.29 : 26,461.08 = 13,018.86 : x
  2. Step 2: Convert to fraction form
    17,638.29/26,461.08 = 13,018.86/x
  3. Step 3: Cross multiply
    17,638.29x = 26,461.08 × 13,018.86
  4. Step 4: Simplify right side
    17,638.29x = 344,493,095.97
  5. Step 5: Solve for x
    x = 344,493,095.97/17,638.29
  6. Step 6: Final answer
    x = 19,530.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.