Home / 14,260.83-19,680.08-7,887.09

Finding the Fourth Proportional to 14,260.83, 19,680.08 and 7,887.09

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Solution

The fourth proportional to 14,260.83, 19,680.08 and 7,887.09 is: 10,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.83 : 19,680.08 = 7,887.09 : x
  2. Step 2: Convert to fraction form
    14,260.83/19,680.08 = 7,887.09/x
  3. Step 3: Cross multiply
    14,260.83x = 19,680.08 × 7,887.09
  4. Step 4: Simplify right side
    14,260.83x = 155,218,562.17
  5. Step 5: Solve for x
    x = 155,218,562.17/14,260.83
  6. Step 6: Final answer
    x = 10,884.26

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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.