Home / 13,160.64-19,737.60-3,924.48

Finding the Fourth Proportional to 13,160.64, 19,737.60 and 3,924.48

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Solution

The fourth proportional to 13,160.64, 19,737.60 and 3,924.48 is: 5,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.64 : 19,737.60 = 3,924.48 : x
  2. Step 2: Convert to fraction form
    13,160.64/19,737.60 = 3,924.48/x
  3. Step 3: Cross multiply
    13,160.64x = 19,737.60 × 3,924.48
  4. Step 4: Simplify right side
    13,160.64x = 77,459,816.45
  5. Step 5: Solve for x
    x = 77,459,816.45/13,160.64
  6. Step 6: Final answer
    x = 5,885.72

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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.