Home / 13,667.17-20,500.80-4,308.07

Finding the Fourth Proportional to 13,667.17, 20,500.80 and 4,308.07

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Solution

The fourth proportional to 13,667.17, 20,500.80 and 4,308.07 is: 6,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.17 : 20,500.80 = 4,308.07 : x
  2. Step 2: Convert to fraction form
    13,667.17/20,500.80 = 4,308.07/x
  3. Step 3: Cross multiply
    13,667.17x = 20,500.80 × 4,308.07
  4. Step 4: Simplify right side
    13,667.17x = 88,318,881.46
  5. Step 5: Solve for x
    x = 88,318,881.46/13,667.17
  6. Step 6: Final answer
    x = 6,462.12

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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.