Home / 16,988.03-25,485.74-5,141.58

Finding the Fourth Proportional to 16,988.03, 25,485.74 and 5,141.58

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Solution

The fourth proportional to 16,988.03, 25,485.74 and 5,141.58 is: 7,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.03 : 25,485.74 = 5,141.58 : x
  2. Step 2: Convert to fraction form
    16,988.03/25,485.74 = 5,141.58/x
  3. Step 3: Cross multiply
    16,988.03x = 25,485.74 × 5,141.58
  4. Step 4: Simplify right side
    16,988.03x = 131,036,869.07
  5. Step 5: Solve for x
    x = 131,036,869.07/16,988.03
  6. Step 6: Final answer
    x = 7,713.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.