Home / 15,428.06-23,137.83-7,526.31

Finding the Fourth Proportional to 15,428.06, 23,137.83 and 7,526.31

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Solution

The fourth proportional to 15,428.06, 23,137.83 and 7,526.31 is: 11,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.06 : 23,137.83 = 7,526.31 : x
  2. Step 2: Convert to fraction form
    15,428.06/23,137.83 = 7,526.31/x
  3. Step 3: Cross multiply
    15,428.06x = 23,137.83 × 7,526.31
  4. Step 4: Simplify right side
    15,428.06x = 174,142,481.31
  5. Step 5: Solve for x
    x = 174,142,481.31/15,428.06
  6. Step 6: Final answer
    x = 11,287.39

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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.