Home / 18,542.48-25,588.72-10,159.04

Finding the Fourth Proportional to 18,542.48, 25,588.72 and 10,159.04

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Solution

The fourth proportional to 18,542.48, 25,588.72 and 10,159.04 is: 14,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.48 : 25,588.72 = 10,159.04 : x
  2. Step 2: Convert to fraction form
    18,542.48/25,588.72 = 10,159.04/x
  3. Step 3: Cross multiply
    18,542.48x = 25,588.72 × 10,159.04
  4. Step 4: Simplify right side
    18,542.48x = 259,956,830.03
  5. Step 5: Solve for x
    x = 259,956,830.03/18,542.48
  6. Step 6: Final answer
    x = 14,019.53

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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.