Home / 14,285.65-21,431.89-5,961.05

Finding the Fourth Proportional to 14,285.65, 21,431.89 and 5,961.05

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Solution

The fourth proportional to 14,285.65, 21,431.89 and 5,961.05 is: 8,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.65 : 21,431.89 = 5,961.05 : x
  2. Step 2: Convert to fraction form
    14,285.65/21,431.89 = 5,961.05/x
  3. Step 3: Cross multiply
    14,285.65x = 21,431.89 × 5,961.05
  4. Step 4: Simplify right side
    14,285.65x = 127,756,460.73
  5. Step 5: Solve for x
    x = 127,756,460.73/14,285.65
  6. Step 6: Final answer
    x = 8,943.00

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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.