Home / 14,624.41-20,181.61-7,910.03

Finding the Fourth Proportional to 14,624.41, 20,181.61 and 7,910.03

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Solution

The fourth proportional to 14,624.41, 20,181.61 and 7,910.03 is: 10,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.41 : 20,181.61 = 7,910.03 : x
  2. Step 2: Convert to fraction form
    14,624.41/20,181.61 = 7,910.03/x
  3. Step 3: Cross multiply
    14,624.41x = 20,181.61 × 7,910.03
  4. Step 4: Simplify right side
    14,624.41x = 159,637,140.55
  5. Step 5: Solve for x
    x = 159,637,140.55/14,624.41
  6. Step 6: Final answer
    x = 10,915.80

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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.