Home / 19,512.09-29,246.27-7,811.64

Finding the Fourth Proportional to 19,512.09, 29,246.27 and 7,811.64

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Solution

The fourth proportional to 19,512.09, 29,246.27 and 7,811.64 is: 11,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.09 : 29,246.27 = 7,811.64 : x
  2. Step 2: Convert to fraction form
    19,512.09/29,246.27 = 7,811.64/x
  3. Step 3: Cross multiply
    19,512.09x = 29,246.27 × 7,811.64
  4. Step 4: Simplify right side
    19,512.09x = 228,461,293.52
  5. Step 5: Solve for x
    x = 228,461,293.52/19,512.09
  6. Step 6: Final answer
    x = 11,708.70

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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.