Home / 14,840.84-20,480.60-8,126.35

Finding the Fourth Proportional to 14,840.84, 20,480.60 and 8,126.35

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Solution

The fourth proportional to 14,840.84, 20,480.60 and 8,126.35 is: 11,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.84 : 20,480.60 = 8,126.35 : x
  2. Step 2: Convert to fraction form
    14,840.84/20,480.60 = 8,126.35/x
  3. Step 3: Cross multiply
    14,840.84x = 20,480.60 × 8,126.35
  4. Step 4: Simplify right side
    14,840.84x = 166,432,492.92
  5. Step 5: Solve for x
    x = 166,432,492.92/14,840.84
  6. Step 6: Final answer
    x = 11,214.49

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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.