Home / 12,854.21-19,282.85-4,532.49

Finding the Fourth Proportional to 12,854.21, 19,282.85 and 4,532.49

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Solution

The fourth proportional to 12,854.21, 19,282.85 and 4,532.49 is: 6,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.21 : 19,282.85 = 4,532.49 : x
  2. Step 2: Convert to fraction form
    12,854.21/19,282.85 = 4,532.49/x
  3. Step 3: Cross multiply
    12,854.21x = 19,282.85 × 4,532.49
  4. Step 4: Simplify right side
    12,854.21x = 87,399,302.13
  5. Step 5: Solve for x
    x = 87,399,302.13/12,854.21
  6. Step 6: Final answer
    x = 6,799.28

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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.