Home / 12,436.02-18,648.55-6,591.28

Finding the Fourth Proportional to 12,436.02, 18,648.55 and 6,591.28

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Solution

The fourth proportional to 12,436.02, 18,648.55 and 6,591.28 is: 9,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.02 : 18,648.55 = 6,591.28 : x
  2. Step 2: Convert to fraction form
    12,436.02/18,648.55 = 6,591.28/x
  3. Step 3: Cross multiply
    12,436.02x = 18,648.55 × 6,591.28
  4. Step 4: Simplify right side
    12,436.02x = 122,917,814.64
  5. Step 5: Solve for x
    x = 122,917,814.64/12,436.02
  6. Step 6: Final answer
    x = 9,884.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.