Home / 17,457.90-26,120.76-10,705.38

Finding the Fourth Proportional to 17,457.90, 26,120.76 and 10,705.38

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Solution

The fourth proportional to 17,457.90, 26,120.76 and 10,705.38 is: 16,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.90 : 26,120.76 = 10,705.38 : x
  2. Step 2: Convert to fraction form
    17,457.90/26,120.76 = 10,705.38/x
  3. Step 3: Cross multiply
    17,457.90x = 26,120.76 × 10,705.38
  4. Step 4: Simplify right side
    17,457.90x = 279,632,661.69
  5. Step 5: Solve for x
    x = 279,632,661.69/17,457.90
  6. Step 6: Final answer
    x = 16,017.54

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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.