Home / 15,659.48-23,480.58-6,431.96

Finding the Fourth Proportional to 15,659.48, 23,480.58 and 6,431.96

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Solution

The fourth proportional to 15,659.48, 23,480.58 and 6,431.96 is: 9,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.48 : 23,480.58 = 6,431.96 : x
  2. Step 2: Convert to fraction form
    15,659.48/23,480.58 = 6,431.96/x
  3. Step 3: Cross multiply
    15,659.48x = 23,480.58 × 6,431.96
  4. Step 4: Simplify right side
    15,659.48x = 151,026,151.34
  5. Step 5: Solve for x
    x = 151,026,151.34/15,659.48
  6. Step 6: Final answer
    x = 9,644.39

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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.