Home / 43,564.14-65,346.24-12,399.40

Finding the Fourth Proportional to 43,564.14, 65,346.24 and 12,399.40

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Solution

The fourth proportional to 43,564.14, 65,346.24 and 12,399.40 is: 18,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.14 : 65,346.24 = 12,399.40 : x
  2. Step 2: Convert to fraction form
    43,564.14/65,346.24 = 12,399.40/x
  3. Step 3: Cross multiply
    43,564.14x = 65,346.24 × 12,399.40
  4. Step 4: Simplify right side
    43,564.14x = 810,254,168.26
  5. Step 5: Solve for x
    x = 810,254,168.26/43,564.14
  6. Step 6: Final answer
    x = 18,599.11

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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.