Home / 13,737.88-20,607.90-5,417.32

Finding the Fourth Proportional to 13,737.88, 20,607.90 and 5,417.32

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Solution

The fourth proportional to 13,737.88, 20,607.90 and 5,417.32 is: 8,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.88 : 20,607.90 = 5,417.32 : x
  2. Step 2: Convert to fraction form
    13,737.88/20,607.90 = 5,417.32/x
  3. Step 3: Cross multiply
    13,737.88x = 20,607.90 × 5,417.32
  4. Step 4: Simplify right side
    13,737.88x = 111,639,588.83
  5. Step 5: Solve for x
    x = 111,639,588.83/13,737.88
  6. Step 6: Final answer
    x = 8,126.41

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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.