Home / 19,130.64-26,399.85-11,063.69

Finding the Fourth Proportional to 19,130.64, 26,399.85 and 11,063.69

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Solution

The fourth proportional to 19,130.64, 26,399.85 and 11,063.69 is: 15,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.64 : 26,399.85 = 11,063.69 : x
  2. Step 2: Convert to fraction form
    19,130.64/26,399.85 = 11,063.69/x
  3. Step 3: Cross multiply
    19,130.64x = 26,399.85 × 11,063.69
  4. Step 4: Simplify right side
    19,130.64x = 292,079,624.45
  5. Step 5: Solve for x
    x = 292,079,624.45/19,130.64
  6. Step 6: Final answer
    x = 15,267.63

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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.