Home / 15,760.10-23,647.42-6,406.58

Finding the Fourth Proportional to 15,760.10, 23,647.42 and 6,406.58

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Solution

The fourth proportional to 15,760.10, 23,647.42 and 6,406.58 is: 9,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.10 : 23,647.42 = 6,406.58 : x
  2. Step 2: Convert to fraction form
    15,760.10/23,647.42 = 6,406.58/x
  3. Step 3: Cross multiply
    15,760.10x = 23,647.42 × 6,406.58
  4. Step 4: Simplify right side
    15,760.10x = 151,499,088.02
  5. Step 5: Solve for x
    x = 151,499,088.02/15,760.10
  6. Step 6: Final answer
    x = 9,612.83

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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.