Home / 19,013.82-26,237.88-10,515.72

Finding the Fourth Proportional to 19,013.82, 26,237.88 and 10,515.72

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Solution

The fourth proportional to 19,013.82, 26,237.88 and 10,515.72 is: 14,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.82 : 26,237.88 = 10,515.72 : x
  2. Step 2: Convert to fraction form
    19,013.82/26,237.88 = 10,515.72/x
  3. Step 3: Cross multiply
    19,013.82x = 26,237.88 × 10,515.72
  4. Step 4: Simplify right side
    19,013.82x = 275,910,199.47
  5. Step 5: Solve for x
    x = 275,910,199.47/19,013.82
  6. Step 6: Final answer
    x = 14,511.03

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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.