Home / 14,154.72-21,193.12-10,681.44

Finding the Fourth Proportional to 14,154.72, 21,193.12 and 10,681.44

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Solution

The fourth proportional to 14,154.72, 21,193.12 and 10,681.44 is: 15,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.72 : 21,193.12 = 10,681.44 : x
  2. Step 2: Convert to fraction form
    14,154.72/21,193.12 = 10,681.44/x
  3. Step 3: Cross multiply
    14,154.72x = 21,193.12 × 10,681.44
  4. Step 4: Simplify right side
    14,154.72x = 226,373,039.69
  5. Step 5: Solve for x
    x = 226,373,039.69/14,154.72
  6. Step 6: Final answer
    x = 15,992.76

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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.