Home / 19,676.88-27,154.12-10,724.39

Finding the Fourth Proportional to 19,676.88, 27,154.12 and 10,724.39

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Solution

The fourth proportional to 19,676.88, 27,154.12 and 10,724.39 is: 14,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.88 : 27,154.12 = 10,724.39 : x
  2. Step 2: Convert to fraction form
    19,676.88/27,154.12 = 10,724.39/x
  3. Step 3: Cross multiply
    19,676.88x = 27,154.12 × 10,724.39
  4. Step 4: Simplify right side
    19,676.88x = 291,211,372.99
  5. Step 5: Solve for x
    x = 291,211,372.99/19,676.88
  6. Step 6: Final answer
    x = 14,799.67

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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.