Home / 13,622.98-20,442.23-5,301.92

Finding the Fourth Proportional to 13,622.98, 20,442.23 and 5,301.92

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Solution

The fourth proportional to 13,622.98, 20,442.23 and 5,301.92 is: 7,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.98 : 20,442.23 = 5,301.92 : x
  2. Step 2: Convert to fraction form
    13,622.98/20,442.23 = 5,301.92/x
  3. Step 3: Cross multiply
    13,622.98x = 20,442.23 × 5,301.92
  4. Step 4: Simplify right side
    13,622.98x = 108,382,939.36
  5. Step 5: Solve for x
    x = 108,382,939.36/13,622.98
  6. Step 6: Final answer
    x = 7,955.89

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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.