Home / 13,119.93-19,657.98-9,217.35

Finding the Fourth Proportional to 13,119.93, 19,657.98 and 9,217.35

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Solution

The fourth proportional to 13,119.93, 19,657.98 and 9,217.35 is: 13,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.93 : 19,657.98 = 9,217.35 : x
  2. Step 2: Convert to fraction form
    13,119.93/19,657.98 = 9,217.35/x
  3. Step 3: Cross multiply
    13,119.93x = 19,657.98 × 9,217.35
  4. Step 4: Simplify right side
    13,119.93x = 181,194,481.95
  5. Step 5: Solve for x
    x = 181,194,481.95/13,119.93
  6. Step 6: Final answer
    x = 13,810.63

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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.