Home / 13,459.81-20,188.29-3,600.08

Finding the Fourth Proportional to 13,459.81, 20,188.29 and 3,600.08

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Solution

The fourth proportional to 13,459.81, 20,188.29 and 3,600.08 is: 5,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.81 : 20,188.29 = 3,600.08 : x
  2. Step 2: Convert to fraction form
    13,459.81/20,188.29 = 3,600.08/x
  3. Step 3: Cross multiply
    13,459.81x = 20,188.29 × 3,600.08
  4. Step 4: Simplify right side
    13,459.81x = 72,679,459.06
  5. Step 5: Solve for x
    x = 72,679,459.06/13,459.81
  6. Step 6: Final answer
    x = 5,399.74

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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.