Home / 20,637.93-30,952.80-10,103.43

Finding the Fourth Proportional to 20,637.93, 30,952.80 and 10,103.43

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Solution

The fourth proportional to 20,637.93, 30,952.80 and 10,103.43 is: 15,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.93 : 30,952.80 = 10,103.43 : x
  2. Step 2: Convert to fraction form
    20,637.93/30,952.80 = 10,103.43/x
  3. Step 3: Cross multiply
    20,637.93x = 30,952.80 × 10,103.43
  4. Step 4: Simplify right side
    20,637.93x = 312,729,448.10
  5. Step 5: Solve for x
    x = 312,729,448.10/20,637.93
  6. Step 6: Final answer
    x = 15,153.14

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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.