Home / 19,070.46-26,318.97-11,520.54

Finding the Fourth Proportional to 19,070.46, 26,318.97 and 11,520.54

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Solution

The fourth proportional to 19,070.46, 26,318.97 and 11,520.54 is: 15,899.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.46 : 26,318.97 = 11,520.54 : x
  2. Step 2: Convert to fraction form
    19,070.46/26,318.97 = 11,520.54/x
  3. Step 3: Cross multiply
    19,070.46x = 26,318.97 × 11,520.54
  4. Step 4: Simplify right side
    19,070.46x = 303,208,746.64
  5. Step 5: Solve for x
    x = 303,208,746.64/19,070.46
  6. Step 6: Final answer
    x = 15,899.39

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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.