Home / 14,211.68-19,624.50-8,915.60

Finding the Fourth Proportional to 14,211.68, 19,624.50 and 8,915.60

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Solution

The fourth proportional to 14,211.68, 19,624.50 and 8,915.60 is: 12,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.68 : 19,624.50 = 8,915.60 : x
  2. Step 2: Convert to fraction form
    14,211.68/19,624.50 = 8,915.60/x
  3. Step 3: Cross multiply
    14,211.68x = 19,624.50 × 8,915.60
  4. Step 4: Simplify right side
    14,211.68x = 174,964,192.20
  5. Step 5: Solve for x
    x = 174,964,192.20/14,211.68
  6. Step 6: Final answer
    x = 12,311.30

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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.