Home / 19,459.06-26,848.56-11,902.64

Finding the Fourth Proportional to 19,459.06, 26,848.56 and 11,902.64

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Solution

The fourth proportional to 19,459.06, 26,848.56 and 11,902.64 is: 16,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.06 : 26,848.56 = 11,902.64 : x
  2. Step 2: Convert to fraction form
    19,459.06/26,848.56 = 11,902.64/x
  3. Step 3: Cross multiply
    19,459.06x = 26,848.56 × 11,902.64
  4. Step 4: Simplify right side
    19,459.06x = 319,568,744.20
  5. Step 5: Solve for x
    x = 319,568,744.20/19,459.06
  6. Step 6: Final answer
    x = 16,422.62

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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.