Home / 12,813.60-17,676.05-10,426.25

Finding the Fourth Proportional to 12,813.60, 17,676.05 and 10,426.25

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Solution

The fourth proportional to 12,813.60, 17,676.05 and 10,426.25 is: 14,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,813.60 : 17,676.05 = 10,426.25 : x
  2. Step 2: Convert to fraction form
    12,813.60/17,676.05 = 10,426.25/x
  3. Step 3: Cross multiply
    12,813.60x = 17,676.05 × 10,426.25
  4. Step 4: Simplify right side
    12,813.60x = 184,294,775.80
  5. Step 5: Solve for x
    x = 184,294,775.80/12,813.60
  6. Step 6: Final answer
    x = 14,382.75

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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.