Home / 19,869.18-27,443.73-14,855.67

Finding the Fourth Proportional to 19,869.18, 27,443.73 and 14,855.67

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Solution

The fourth proportional to 19,869.18, 27,443.73 and 14,855.67 is: 20,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.18 : 27,443.73 = 14,855.67 : x
  2. Step 2: Convert to fraction form
    19,869.18/27,443.73 = 14,855.67/x
  3. Step 3: Cross multiply
    19,869.18x = 27,443.73 × 14,855.67
  4. Step 4: Simplify right side
    19,869.18x = 407,694,996.45
  5. Step 5: Solve for x
    x = 407,694,996.45/19,869.18
  6. Step 6: Final answer
    x = 20,518.96

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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.