Home / 19,373.67-26,731.31-11,416.64

Finding the Fourth Proportional to 19,373.67, 26,731.31 and 11,416.64

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Solution

The fourth proportional to 19,373.67, 26,731.31 and 11,416.64 is: 15,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.67 : 26,731.31 = 11,416.64 : x
  2. Step 2: Convert to fraction form
    19,373.67/26,731.31 = 11,416.64/x
  3. Step 3: Cross multiply
    19,373.67x = 26,731.31 × 11,416.64
  4. Step 4: Simplify right side
    19,373.67x = 305,181,552.26
  5. Step 5: Solve for x
    x = 305,181,552.26/19,373.67
  6. Step 6: Final answer
    x = 15,752.39

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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.