Home / 21,244.36-31,842.50-10,697.62

Finding the Fourth Proportional to 21,244.36, 31,842.50 and 10,697.62

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Solution

The fourth proportional to 21,244.36, 31,842.50 and 10,697.62 is: 16,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.36 : 31,842.50 = 10,697.62 : x
  2. Step 2: Convert to fraction form
    21,244.36/31,842.50 = 10,697.62/x
  3. Step 3: Cross multiply
    21,244.36x = 31,842.50 × 10,697.62
  4. Step 4: Simplify right side
    21,244.36x = 340,638,964.85
  5. Step 5: Solve for x
    x = 340,638,964.85/21,244.36
  6. Step 6: Final answer
    x = 16,034.32

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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.