Home / 20,331.48-30,495.06-9,798.24

Finding the Fourth Proportional to 20,331.48, 30,495.06 and 9,798.24

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Solution

The fourth proportional to 20,331.48, 30,495.06 and 9,798.24 is: 14,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.48 : 30,495.06 = 9,798.24 : x
  2. Step 2: Convert to fraction form
    20,331.48/30,495.06 = 9,798.24/x
  3. Step 3: Cross multiply
    20,331.48x = 30,495.06 × 9,798.24
  4. Step 4: Simplify right side
    20,331.48x = 298,797,916.69
  5. Step 5: Solve for x
    x = 298,797,916.69/20,331.48
  6. Step 6: Final answer
    x = 14,696.32

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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.