Home / 19,377.77-26,749.45-13,098.65

Finding the Fourth Proportional to 19,377.77, 26,749.45 and 13,098.65

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Solution

The fourth proportional to 19,377.77, 26,749.45 and 13,098.65 is: 18,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.77 : 26,749.45 = 13,098.65 : x
  2. Step 2: Convert to fraction form
    19,377.77/26,749.45 = 13,098.65/x
  3. Step 3: Cross multiply
    19,377.77x = 26,749.45 × 13,098.65
  4. Step 4: Simplify right side
    19,377.77x = 350,381,766.49
  5. Step 5: Solve for x
    x = 350,381,766.49/19,377.77
  6. Step 6: Final answer
    x = 18,081.63

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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.