Home / 19,175.70-26,457.30-11,219.88

Finding the Fourth Proportional to 19,175.70, 26,457.30 and 11,219.88

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Solution

The fourth proportional to 19,175.70, 26,457.30 and 11,219.88 is: 15,480.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.70 : 26,457.30 = 11,219.88 : x
  2. Step 2: Convert to fraction form
    19,175.70/26,457.30 = 11,219.88/x
  3. Step 3: Cross multiply
    19,175.70x = 26,457.30 × 11,219.88
  4. Step 4: Simplify right side
    19,175.70x = 296,847,731.12
  5. Step 5: Solve for x
    x = 296,847,731.12/19,175.70
  6. Step 6: Final answer
    x = 15,480.41

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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.