Home / 43,667.28-65,503.16-12,507.12

Finding the Fourth Proportional to 43,667.28, 65,503.16 and 12,507.12

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Solution

The fourth proportional to 43,667.28, 65,503.16 and 12,507.12 is: 18,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.28 : 65,503.16 = 12,507.12 : x
  2. Step 2: Convert to fraction form
    43,667.28/65,503.16 = 12,507.12/x
  3. Step 3: Cross multiply
    43,667.28x = 65,503.16 × 12,507.12
  4. Step 4: Simplify right side
    43,667.28x = 819,255,882.50
  5. Step 5: Solve for x
    x = 819,255,882.50/43,667.28
  6. Step 6: Final answer
    x = 18,761.32

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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.