Home / 11,890.98-17,839.17-6,341.40

Finding the Fourth Proportional to 11,890.98, 17,839.17 and 6,341.40

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Solution

The fourth proportional to 11,890.98, 17,839.17 and 6,341.40 is: 9,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.98 : 17,839.17 = 6,341.40 : x
  2. Step 2: Convert to fraction form
    11,890.98/17,839.17 = 6,341.40/x
  3. Step 3: Cross multiply
    11,890.98x = 17,839.17 × 6,341.40
  4. Step 4: Simplify right side
    11,890.98x = 113,125,312.64
  5. Step 5: Solve for x
    x = 113,125,312.64/11,890.98
  6. Step 6: Final answer
    x = 9,513.54

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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.