Home / 15,466.92-21,343.73-8,393.19

Finding the Fourth Proportional to 15,466.92, 21,343.73 and 8,393.19

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Solution

The fourth proportional to 15,466.92, 21,343.73 and 8,393.19 is: 11,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.92 : 21,343.73 = 8,393.19 : x
  2. Step 2: Convert to fraction form
    15,466.92/21,343.73 = 8,393.19/x
  3. Step 3: Cross multiply
    15,466.92x = 21,343.73 × 8,393.19
  4. Step 4: Simplify right side
    15,466.92x = 179,141,939.23
  5. Step 5: Solve for x
    x = 179,141,939.23/15,466.92
  6. Step 6: Final answer
    x = 11,582.26

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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.