Home / 18,828.59-25,983.72-10,445.09

Finding the Fourth Proportional to 18,828.59, 25,983.72 and 10,445.09

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Solution

The fourth proportional to 18,828.59, 25,983.72 and 10,445.09 is: 14,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.59 : 25,983.72 = 10,445.09 : x
  2. Step 2: Convert to fraction form
    18,828.59/25,983.72 = 10,445.09/x
  3. Step 3: Cross multiply
    18,828.59x = 25,983.72 × 10,445.09
  4. Step 4: Simplify right side
    18,828.59x = 271,402,164.02
  5. Step 5: Solve for x
    x = 271,402,164.02/18,828.59
  6. Step 6: Final answer
    x = 14,414.37

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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.