Home / 19,057.67-26,312.43-11,898.49

Finding the Fourth Proportional to 19,057.67, 26,312.43 and 11,898.49

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Solution

The fourth proportional to 19,057.67, 26,312.43 and 11,898.49 is: 16,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.67 : 26,312.43 = 11,898.49 : x
  2. Step 2: Convert to fraction form
    19,057.67/26,312.43 = 11,898.49/x
  3. Step 3: Cross multiply
    19,057.67x = 26,312.43 × 11,898.49
  4. Step 4: Simplify right side
    19,057.67x = 313,078,146.48
  5. Step 5: Solve for x
    x = 313,078,146.48/19,057.67
  6. Step 6: Final answer
    x = 16,427.93

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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.