Home / 15,665.14-23,501.31-6,900.73

Finding the Fourth Proportional to 15,665.14, 23,501.31 and 6,900.73

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Solution

The fourth proportional to 15,665.14, 23,501.31 and 6,900.73 is: 10,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665.14 : 23,501.31 = 6,900.73 : x
  2. Step 2: Convert to fraction form
    15,665.14/23,501.31 = 6,900.73/x
  3. Step 3: Cross multiply
    15,665.14x = 23,501.31 × 6,900.73
  4. Step 4: Simplify right side
    15,665.14x = 162,176,194.96
  5. Step 5: Solve for x
    x = 162,176,194.96/15,665.14
  6. Step 6: Final answer
    x = 10,352.68

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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.