Home / 19,382.76-29,054.70-9,001.80

Finding the Fourth Proportional to 19,382.76, 29,054.70 and 9,001.80

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Solution

The fourth proportional to 19,382.76, 29,054.70 and 9,001.80 is: 13,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.76 : 29,054.70 = 9,001.80 : x
  2. Step 2: Convert to fraction form
    19,382.76/29,054.70 = 9,001.80/x
  3. Step 3: Cross multiply
    19,382.76x = 29,054.70 × 9,001.80
  4. Step 4: Simplify right side
    19,382.76x = 261,544,598.46
  5. Step 5: Solve for x
    x = 261,544,598.46/19,382.76
  6. Step 6: Final answer
    x = 13,493.67

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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.