Home / 17,387.82-26,070.58-11,457.81

Finding the Fourth Proportional to 17,387.82, 26,070.58 and 11,457.81

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Solution

The fourth proportional to 17,387.82, 26,070.58 and 11,457.81 is: 17,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.82 : 26,070.58 = 11,457.81 : x
  2. Step 2: Convert to fraction form
    17,387.82/26,070.58 = 11,457.81/x
  3. Step 3: Cross multiply
    17,387.82x = 26,070.58 × 11,457.81
  4. Step 4: Simplify right side
    17,387.82x = 298,711,752.23
  5. Step 5: Solve for x
    x = 298,711,752.23/17,387.82
  6. Step 6: Final answer
    x = 17,179.37

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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.