Home / 14,943.06-20,621.25-8,656.02

Finding the Fourth Proportional to 14,943.06, 20,621.25 and 8,656.02

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Solution

The fourth proportional to 14,943.06, 20,621.25 and 8,656.02 is: 11,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.06 : 20,621.25 = 8,656.02 : x
  2. Step 2: Convert to fraction form
    14,943.06/20,621.25 = 8,656.02/x
  3. Step 3: Cross multiply
    14,943.06x = 20,621.25 × 8,656.02
  4. Step 4: Simplify right side
    14,943.06x = 178,497,952.43
  5. Step 5: Solve for x
    x = 178,497,952.43/14,943.06
  6. Step 6: Final answer
    x = 11,945.21

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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.