Home / 14,432.90-19,915.27-8,764.70

Finding the Fourth Proportional to 14,432.90, 19,915.27 and 8,764.70

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Solution

The fourth proportional to 14,432.90, 19,915.27 and 8,764.70 is: 12,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.90 : 19,915.27 = 8,764.70 : x
  2. Step 2: Convert to fraction form
    14,432.90/19,915.27 = 8,764.70/x
  3. Step 3: Cross multiply
    14,432.90x = 19,915.27 × 8,764.70
  4. Step 4: Simplify right side
    14,432.90x = 174,551,245.48
  5. Step 5: Solve for x
    x = 174,551,245.48/14,432.90
  6. Step 6: Final answer
    x = 12,093.98

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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.