Home / 12,459.04-18,767.64-11,396.64

Finding the Fourth Proportional to 12,459.04, 18,767.64 and 11,396.64

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Solution

The fourth proportional to 12,459.04, 18,767.64 and 11,396.64 is: 17,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.04 : 18,767.64 = 11,396.64 : x
  2. Step 2: Convert to fraction form
    12,459.04/18,767.64 = 11,396.64/x
  3. Step 3: Cross multiply
    12,459.04x = 18,767.64 × 11,396.64
  4. Step 4: Simplify right side
    12,459.04x = 213,888,036.73
  5. Step 5: Solve for x
    x = 213,888,036.73/12,459.04
  6. Step 6: Final answer
    x = 17,167.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.