Home / 14,909.32-20,573.58-8,776.37

Finding the Fourth Proportional to 14,909.32, 20,573.58 and 8,776.37

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Solution

The fourth proportional to 14,909.32, 20,573.58 and 8,776.37 is: 12,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.32 : 20,573.58 = 8,776.37 : x
  2. Step 2: Convert to fraction form
    14,909.32/20,573.58 = 8,776.37/x
  3. Step 3: Cross multiply
    14,909.32x = 20,573.58 × 8,776.37
  4. Step 4: Simplify right side
    14,909.32x = 180,561,203.55
  5. Step 5: Solve for x
    x = 180,561,203.55/14,909.32
  6. Step 6: Final answer
    x = 12,110.63

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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.