Home / 14,840.61-20,480.04-8,126.67

Finding the Fourth Proportional to 14,840.61, 20,480.04 and 8,126.67

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Solution

The fourth proportional to 14,840.61, 20,480.04 and 8,126.67 is: 11,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.61 : 20,480.04 = 8,126.67 : x
  2. Step 2: Convert to fraction form
    14,840.61/20,480.04 = 8,126.67/x
  3. Step 3: Cross multiply
    14,840.61x = 20,480.04 × 8,126.67
  4. Step 4: Simplify right side
    14,840.61x = 166,434,526.67
  5. Step 5: Solve for x
    x = 166,434,526.67/14,840.61
  6. Step 6: Final answer
    x = 11,214.80

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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.