Home / 19,412.18-26,788.83-11,030.30

Finding the Fourth Proportional to 19,412.18, 26,788.83 and 11,030.30

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Solution

The fourth proportional to 19,412.18, 26,788.83 and 11,030.30 is: 15,221.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.18 : 26,788.83 = 11,030.30 : x
  2. Step 2: Convert to fraction form
    19,412.18/26,788.83 = 11,030.30/x
  3. Step 3: Cross multiply
    19,412.18x = 26,788.83 × 11,030.30
  4. Step 4: Simplify right side
    19,412.18x = 295,488,831.55
  5. Step 5: Solve for x
    x = 295,488,831.55/19,412.18
  6. Step 6: Final answer
    x = 15,221.83

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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.