Home / 18,549.78-25,607.56-10,590.47

Finding the Fourth Proportional to 18,549.78, 25,607.56 and 10,590.47

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Solution

The fourth proportional to 18,549.78, 25,607.56 and 10,590.47 is: 14,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.78 : 25,607.56 = 10,590.47 : x
  2. Step 2: Convert to fraction form
    18,549.78/25,607.56 = 10,590.47/x
  3. Step 3: Cross multiply
    18,549.78x = 25,607.56 × 10,590.47
  4. Step 4: Simplify right side
    18,549.78x = 271,195,914.96
  5. Step 5: Solve for x
    x = 271,195,914.96/18,549.78
  6. Step 6: Final answer
    x = 14,619.90

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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.