Home / 18,554.78-25,605.50-10,171.28

Finding the Fourth Proportional to 18,554.78, 25,605.50 and 10,171.28

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Solution

The fourth proportional to 18,554.78, 25,605.50 and 10,171.28 is: 14,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.78 : 25,605.50 = 10,171.28 : x
  2. Step 2: Convert to fraction form
    18,554.78/25,605.50 = 10,171.28/x
  3. Step 3: Cross multiply
    18,554.78x = 25,605.50 × 10,171.28
  4. Step 4: Simplify right side
    18,554.78x = 260,440,710.04
  5. Step 5: Solve for x
    x = 260,440,710.04/18,554.78
  6. Step 6: Final answer
    x = 14,036.31

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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.