Home / 15,355.42-23,005.19-10,665.52

Finding the Fourth Proportional to 15,355.42, 23,005.19 and 10,665.52

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Solution

The fourth proportional to 15,355.42, 23,005.19 and 10,665.52 is: 15,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,355.42 : 23,005.19 = 10,665.52 : x
  2. Step 2: Convert to fraction form
    15,355.42/23,005.19 = 10,665.52/x
  3. Step 3: Cross multiply
    15,355.42x = 23,005.19 × 10,665.52
  4. Step 4: Simplify right side
    15,355.42x = 245,362,260.72
  5. Step 5: Solve for x
    x = 245,362,260.72/15,355.42
  6. Step 6: Final answer
    x = 15,978.87

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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.