Home / 15,301.37-21,116.04-8,495.50

Finding the Fourth Proportional to 15,301.37, 21,116.04 and 8,495.50

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Solution

The fourth proportional to 15,301.37, 21,116.04 and 8,495.50 is: 11,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.37 : 21,116.04 = 8,495.50 : x
  2. Step 2: Convert to fraction form
    15,301.37/21,116.04 = 8,495.50/x
  3. Step 3: Cross multiply
    15,301.37x = 21,116.04 × 8,495.50
  4. Step 4: Simplify right side
    15,301.37x = 179,391,349.68
  5. Step 5: Solve for x
    x = 179,391,349.68/15,301.37
  6. Step 6: Final answer
    x = 11,723.88

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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.