Home / 18,130.83-25,021.58-10,173.75

Finding the Fourth Proportional to 18,130.83, 25,021.58 and 10,173.75

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Solution

The fourth proportional to 18,130.83, 25,021.58 and 10,173.75 is: 14,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.83 : 25,021.58 = 10,173.75 : x
  2. Step 2: Convert to fraction form
    18,130.83/25,021.58 = 10,173.75/x
  3. Step 3: Cross multiply
    18,130.83x = 25,021.58 × 10,173.75
  4. Step 4: Simplify right side
    18,130.83x = 254,563,248.66
  5. Step 5: Solve for x
    x = 254,563,248.66/18,130.83
  6. Step 6: Final answer
    x = 14,040.35

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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.