Home / 13,658.10-20,483.40-8,652.96

Finding the Fourth Proportional to 13,658.10, 20,483.40 and 8,652.96

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Solution

The fourth proportional to 13,658.10, 20,483.40 and 8,652.96 is: 12,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658.10 : 20,483.40 = 8,652.96 : x
  2. Step 2: Convert to fraction form
    13,658.10/20,483.40 = 8,652.96/x
  3. Step 3: Cross multiply
    13,658.10x = 20,483.40 × 8,652.96
  4. Step 4: Simplify right side
    13,658.10x = 177,242,040.86
  5. Step 5: Solve for x
    x = 177,242,040.86/13,658.10
  6. Step 6: Final answer
    x = 12,977.06

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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.