Home / 19,501.92-26,905.68-11,945.52

Finding the Fourth Proportional to 19,501.92, 26,905.68 and 11,945.52

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Solution

The fourth proportional to 19,501.92, 26,905.68 and 11,945.52 is: 16,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.92 : 26,905.68 = 11,945.52 : x
  2. Step 2: Convert to fraction form
    19,501.92/26,905.68 = 11,945.52/x
  3. Step 3: Cross multiply
    19,501.92x = 26,905.68 × 11,945.52
  4. Step 4: Simplify right side
    19,501.92x = 321,402,338.55
  5. Step 5: Solve for x
    x = 321,402,338.55/19,501.92
  6. Step 6: Final answer
    x = 16,480.55

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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.