Home / 13,419.08-20,126.10-4,652.20

Finding the Fourth Proportional to 13,419.08, 20,126.10 and 4,652.20

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Solution

The fourth proportional to 13,419.08, 20,126.10 and 4,652.20 is: 6,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.08 : 20,126.10 = 4,652.20 : x
  2. Step 2: Convert to fraction form
    13,419.08/20,126.10 = 4,652.20/x
  3. Step 3: Cross multiply
    13,419.08x = 20,126.10 × 4,652.20
  4. Step 4: Simplify right side
    13,419.08x = 93,630,642.42
  5. Step 5: Solve for x
    x = 93,630,642.42/13,419.08
  6. Step 6: Final answer
    x = 6,977.43

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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.