Home / 12,852.10-19,214.77-10,899.50

Finding the Fourth Proportional to 12,852.10, 19,214.77 and 10,899.50

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Solution

The fourth proportional to 12,852.10, 19,214.77 and 10,899.50 is: 16,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.10 : 19,214.77 = 10,899.50 : x
  2. Step 2: Convert to fraction form
    12,852.10/19,214.77 = 10,899.50/x
  3. Step 3: Cross multiply
    12,852.10x = 19,214.77 × 10,899.50
  4. Step 4: Simplify right side
    12,852.10x = 209,431,282.73
  5. Step 5: Solve for x
    x = 209,431,282.73/12,852.10
  6. Step 6: Final answer
    x = 16,295.49

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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.