Home / 15,990.09-23,985.32-4,896.88

Finding the Fourth Proportional to 15,990.09, 23,985.32 and 4,896.88

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Solution

The fourth proportional to 15,990.09, 23,985.32 and 4,896.88 is: 7,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.09 : 23,985.32 = 4,896.88 : x
  2. Step 2: Convert to fraction form
    15,990.09/23,985.32 = 4,896.88/x
  3. Step 3: Cross multiply
    15,990.09x = 23,985.32 × 4,896.88
  4. Step 4: Simplify right side
    15,990.09x = 117,453,233.80
  5. Step 5: Solve for x
    x = 117,453,233.80/15,990.09
  6. Step 6: Final answer
    x = 7,345.38

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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.