Home / 13,117.98-19,676.77-3,257.35

Finding the Fourth Proportional to 13,117.98, 19,676.77 and 3,257.35

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Solution

The fourth proportional to 13,117.98, 19,676.77 and 3,257.35 is: 4,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.98 : 19,676.77 = 3,257.35 : x
  2. Step 2: Convert to fraction form
    13,117.98/19,676.77 = 3,257.35/x
  3. Step 3: Cross multiply
    13,117.98x = 19,676.77 × 3,257.35
  4. Step 4: Simplify right side
    13,117.98x = 64,094,126.76
  5. Step 5: Solve for x
    x = 64,094,126.76/13,117.98
  6. Step 6: Final answer
    x = 4,885.98

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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.