Home / 19,328.25-26,672.54-11,370.99

Finding the Fourth Proportional to 19,328.25, 26,672.54 and 11,370.99

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Solution

The fourth proportional to 19,328.25, 26,672.54 and 11,370.99 is: 15,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.25 : 26,672.54 = 11,370.99 : x
  2. Step 2: Convert to fraction form
    19,328.25/26,672.54 = 11,370.99/x
  3. Step 3: Cross multiply
    19,328.25x = 26,672.54 × 11,370.99
  4. Step 4: Simplify right side
    19,328.25x = 303,293,171.40
  5. Step 5: Solve for x
    x = 303,293,171.40/19,328.25
  6. Step 6: Final answer
    x = 15,691.70

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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.