Home / 19,319.92-26,661.60-11,362.48

Finding the Fourth Proportional to 19,319.92, 26,661.60 and 11,362.48

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Solution

The fourth proportional to 19,319.92, 26,661.60 and 11,362.48 is: 15,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.92 : 26,661.60 = 11,362.48 : x
  2. Step 2: Convert to fraction form
    19,319.92/26,661.60 = 11,362.48/x
  3. Step 3: Cross multiply
    19,319.92x = 26,661.60 × 11,362.48
  4. Step 4: Simplify right side
    19,319.92x = 302,941,896.77
  5. Step 5: Solve for x
    x = 302,941,896.77/19,319.92
  6. Step 6: Final answer
    x = 15,680.29

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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.