Home / 19,456.49-26,849.99-11,502.65

Finding the Fourth Proportional to 19,456.49, 26,849.99 and 11,502.65

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Solution

The fourth proportional to 19,456.49, 26,849.99 and 11,502.65 is: 15,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.49 : 26,849.99 = 11,502.65 : x
  2. Step 2: Convert to fraction form
    19,456.49/26,849.99 = 11,502.65/x
  3. Step 3: Cross multiply
    19,456.49x = 26,849.99 × 11,502.65
  4. Step 4: Simplify right side
    19,456.49x = 308,845,979.96
  5. Step 5: Solve for x
    x = 308,845,979.96/19,456.49
  6. Step 6: Final answer
    x = 15,873.67

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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.