Home / 14,456.92-21,661.91-7,427.18

Finding the Fourth Proportional to 14,456.92, 21,661.91 and 7,427.18

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Solution

The fourth proportional to 14,456.92, 21,661.91 and 7,427.18 is: 11,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.92 : 21,661.91 = 7,427.18 : x
  2. Step 2: Convert to fraction form
    14,456.92/21,661.91 = 7,427.18/x
  3. Step 3: Cross multiply
    14,456.92x = 21,661.91 × 7,427.18
  4. Step 4: Simplify right side
    14,456.92x = 160,886,904.71
  5. Step 5: Solve for x
    x = 160,886,904.71/14,456.92
  6. Step 6: Final answer
    x = 11,128.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.