Home / 13,348.84-20,030.39-8,667.75

Finding the Fourth Proportional to 13,348.84, 20,030.39 and 8,667.75

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Solution

The fourth proportional to 13,348.84, 20,030.39 and 8,667.75 is: 13,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.84 : 20,030.39 = 8,667.75 : x
  2. Step 2: Convert to fraction form
    13,348.84/20,030.39 = 8,667.75/x
  3. Step 3: Cross multiply
    13,348.84x = 20,030.39 × 8,667.75
  4. Step 4: Simplify right side
    13,348.84x = 173,618,412.92
  5. Step 5: Solve for x
    x = 173,618,412.92/13,348.84
  6. Step 6: Final answer
    x = 13,006.25

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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.