Home / 14,844.55-20,485.45-8,130.18

Finding the Fourth Proportional to 14,844.55, 20,485.45 and 8,130.18

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Solution

The fourth proportional to 14,844.55, 20,485.45 and 8,130.18 is: 11,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.55 : 20,485.45 = 8,130.18 : x
  2. Step 2: Convert to fraction form
    14,844.55/20,485.45 = 8,130.18/x
  3. Step 3: Cross multiply
    14,844.55x = 20,485.45 × 8,130.18
  4. Step 4: Simplify right side
    14,844.55x = 166,550,355.23
  5. Step 5: Solve for x
    x = 166,550,355.23/14,844.55
  6. Step 6: Final answer
    x = 11,219.63

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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.