Home / 21,863.45-32,784.68-10,013.56

Finding the Fourth Proportional to 21,863.45, 32,784.68 and 10,013.56

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Solution

The fourth proportional to 21,863.45, 32,784.68 and 10,013.56 is: 15,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863.45 : 32,784.68 = 10,013.56 : x
  2. Step 2: Convert to fraction form
    21,863.45/32,784.68 = 10,013.56/x
  3. Step 3: Cross multiply
    21,863.45x = 32,784.68 × 10,013.56
  4. Step 4: Simplify right side
    21,863.45x = 328,291,303.33
  5. Step 5: Solve for x
    x = 328,291,303.33/21,863.45
  6. Step 6: Final answer
    x = 15,015.53

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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.