Home / 13,497.93-20,349.68-12,546.58

Finding the Fourth Proportional to 13,497.93, 20,349.68 and 12,546.58

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Solution

The fourth proportional to 13,497.93, 20,349.68 and 12,546.58 is: 18,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.93 : 20,349.68 = 12,546.58 : x
  2. Step 2: Convert to fraction form
    13,497.93/20,349.68 = 12,546.58/x
  3. Step 3: Cross multiply
    13,497.93x = 20,349.68 × 12,546.58
  4. Step 4: Simplify right side
    13,497.93x = 255,318,888.09
  5. Step 5: Solve for x
    x = 255,318,888.09/13,497.93
  6. Step 6: Final answer
    x = 18,915.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.