Home / 13,592.29-20,355.51-6,911.21

Finding the Fourth Proportional to 13,592.29, 20,355.51 and 6,911.21

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Solution

The fourth proportional to 13,592.29, 20,355.51 and 6,911.21 is: 10,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.29 : 20,355.51 = 6,911.21 : x
  2. Step 2: Convert to fraction form
    13,592.29/20,355.51 = 6,911.21/x
  3. Step 3: Cross multiply
    13,592.29x = 20,355.51 × 6,911.21
  4. Step 4: Simplify right side
    13,592.29x = 140,681,204.27
  5. Step 5: Solve for x
    x = 140,681,204.27/13,592.29
  6. Step 6: Final answer
    x = 10,350.07

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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.