Home / 13,459.10-20,187.07-3,599.15

Finding the Fourth Proportional to 13,459.10, 20,187.07 and 3,599.15

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Solution

The fourth proportional to 13,459.10, 20,187.07 and 3,599.15 is: 5,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.10 : 20,187.07 = 3,599.15 : x
  2. Step 2: Convert to fraction form
    13,459.10/20,187.07 = 3,599.15/x
  3. Step 3: Cross multiply
    13,459.10x = 20,187.07 × 3,599.15
  4. Step 4: Simplify right side
    13,459.10x = 72,656,316.85
  5. Step 5: Solve for x
    x = 72,656,316.85/13,459.10
  6. Step 6: Final answer
    x = 5,398.31

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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.