Home / 13,737.16-20,588.85-6,331.34

Finding the Fourth Proportional to 13,737.16, 20,588.85 and 6,331.34

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Solution

The fourth proportional to 13,737.16, 20,588.85 and 6,331.34 is: 9,489.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.16 : 20,588.85 = 6,331.34 : x
  2. Step 2: Convert to fraction form
    13,737.16/20,588.85 = 6,331.34/x
  3. Step 3: Cross multiply
    13,737.16x = 20,588.85 × 6,331.34
  4. Step 4: Simplify right side
    13,737.16x = 130,355,009.56
  5. Step 5: Solve for x
    x = 130,355,009.56/13,737.16
  6. Step 6: Final answer
    x = 9,489.23

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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.