Home / 20,637.63-30,952.33-10,103.11

Finding the Fourth Proportional to 20,637.63, 30,952.33 and 10,103.11

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Solution

The fourth proportional to 20,637.63, 30,952.33 and 10,103.11 is: 15,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.63 : 30,952.33 = 10,103.11 : x
  2. Step 2: Convert to fraction form
    20,637.63/30,952.33 = 10,103.11/x
  3. Step 3: Cross multiply
    20,637.63x = 30,952.33 × 10,103.11
  4. Step 4: Simplify right side
    20,637.63x = 312,714,794.75
  5. Step 5: Solve for x
    x = 312,714,794.75/20,637.63
  6. Step 6: Final answer
    x = 15,152.65

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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.