Home / 13,020.62-17,976.74-10,030.91

Finding the Fourth Proportional to 13,020.62, 17,976.74 and 10,030.91

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Solution

The fourth proportional to 13,020.62, 17,976.74 and 10,030.91 is: 13,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.62 : 17,976.74 = 10,030.91 : x
  2. Step 2: Convert to fraction form
    13,020.62/17,976.74 = 10,030.91/x
  3. Step 3: Cross multiply
    13,020.62x = 17,976.74 × 10,030.91
  4. Step 4: Simplify right side
    13,020.62x = 180,322,921.00
  5. Step 5: Solve for x
    x = 180,322,921.00/13,020.62
  6. Step 6: Final answer
    x = 13,849.03

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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.