Home / 15,648.86-23,461.10-7,745.92

Finding the Fourth Proportional to 15,648.86, 23,461.10 and 7,745.92

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Solution

The fourth proportional to 15,648.86, 23,461.10 and 7,745.92 is: 11,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.86 : 23,461.10 = 7,745.92 : x
  2. Step 2: Convert to fraction form
    15,648.86/23,461.10 = 7,745.92/x
  3. Step 3: Cross multiply
    15,648.86x = 23,461.10 × 7,745.92
  4. Step 4: Simplify right side
    15,648.86x = 181,727,647.68
  5. Step 5: Solve for x
    x = 181,727,647.68/15,648.86
  6. Step 6: Final answer
    x = 11,612.84

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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.