Home / 12,417.10-18,662.10-10,813.30

Finding the Fourth Proportional to 12,417.10, 18,662.10 and 10,813.30

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Solution

The fourth proportional to 12,417.10, 18,662.10 and 10,813.30 is: 16,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.10 : 18,662.10 = 10,813.30 : x
  2. Step 2: Convert to fraction form
    12,417.10/18,662.10 = 10,813.30/x
  3. Step 3: Cross multiply
    12,417.10x = 18,662.10 × 10,813.30
  4. Step 4: Simplify right side
    12,417.10x = 201,798,885.93
  5. Step 5: Solve for x
    x = 201,798,885.93/12,417.10
  6. Step 6: Final answer
    x = 16,251.69

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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.