Home / 12,962.70-19,403.82-10,476.72

Finding the Fourth Proportional to 12,962.70, 19,403.82 and 10,476.72

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Solution

The fourth proportional to 12,962.70, 19,403.82 and 10,476.72 is: 15,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.70 : 19,403.82 = 10,476.72 : x
  2. Step 2: Convert to fraction form
    12,962.70/19,403.82 = 10,476.72/x
  3. Step 3: Cross multiply
    12,962.70x = 19,403.82 × 10,476.72
  4. Step 4: Simplify right side
    12,962.70x = 203,288,389.07
  5. Step 5: Solve for x
    x = 203,288,389.07/12,962.70
  6. Step 6: Final answer
    x = 15,682.57

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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.