Home / 19,290.19-26,620.68-11,332.75

Finding the Fourth Proportional to 19,290.19, 26,620.68 and 11,332.75

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Solution

The fourth proportional to 19,290.19, 26,620.68 and 11,332.75 is: 15,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.19 : 26,620.68 = 11,332.75 : x
  2. Step 2: Convert to fraction form
    19,290.19/26,620.68 = 11,332.75/x
  3. Step 3: Cross multiply
    19,290.19x = 26,620.68 × 11,332.75
  4. Step 4: Simplify right side
    19,290.19x = 301,685,511.27
  5. Step 5: Solve for x
    x = 301,685,511.27/19,290.19
  6. Step 6: Final answer
    x = 15,639.32

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Double scale
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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.