Home / 14,880.88-20,534.94-8,915.86

Finding the Fourth Proportional to 14,880.88, 20,534.94 and 8,915.86

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Solution

The fourth proportional to 14,880.88, 20,534.94 and 8,915.86 is: 12,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.88 : 20,534.94 = 8,915.86 : x
  2. Step 2: Convert to fraction form
    14,880.88/20,534.94 = 8,915.86/x
  3. Step 3: Cross multiply
    14,880.88x = 20,534.94 × 8,915.86
  4. Step 4: Simplify right side
    14,880.88x = 183,086,650.15
  5. Step 5: Solve for x
    x = 183,086,650.15/14,880.88
  6. Step 6: Final answer
    x = 12,303.48

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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.