Home / 13,559.18-20,341.96-4,325.18

Finding the Fourth Proportional to 13,559.18, 20,341.96 and 4,325.18

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Solution

The fourth proportional to 13,559.18, 20,341.96 and 4,325.18 is: 6,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.18 : 20,341.96 = 4,325.18 : x
  2. Step 2: Convert to fraction form
    13,559.18/20,341.96 = 4,325.18/x
  3. Step 3: Cross multiply
    13,559.18x = 20,341.96 × 4,325.18
  4. Step 4: Simplify right side
    13,559.18x = 87,982,638.55
  5. Step 5: Solve for x
    x = 87,982,638.55/13,559.18
  6. Step 6: Final answer
    x = 6,488.79

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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.