Home / 12,580.60-17,361.58-6,915.52

Finding the Fourth Proportional to 12,580.60, 17,361.58 and 6,915.52

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Solution

The fourth proportional to 12,580.60, 17,361.58 and 6,915.52 is: 9,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.60 : 17,361.58 = 6,915.52 : x
  2. Step 2: Convert to fraction form
    12,580.60/17,361.58 = 6,915.52/x
  3. Step 3: Cross multiply
    12,580.60x = 17,361.58 × 6,915.52
  4. Step 4: Simplify right side
    12,580.60x = 120,064,353.72
  5. Step 5: Solve for x
    x = 120,064,353.72/12,580.60
  6. Step 6: Final answer
    x = 9,543.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.