Home / 20,652.10-30,956.49-10,107.58

Finding the Fourth Proportional to 20,652.10, 30,956.49 and 10,107.58

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Solution

The fourth proportional to 20,652.10, 30,956.49 and 10,107.58 is: 15,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652.10 : 30,956.49 = 10,107.58 : x
  2. Step 2: Convert to fraction form
    20,652.10/30,956.49 = 10,107.58/x
  3. Step 3: Cross multiply
    20,652.10x = 30,956.49 × 10,107.58
  4. Step 4: Simplify right side
    20,652.10x = 312,895,199.19
  5. Step 5: Solve for x
    x = 312,895,199.19/20,652.10
  6. Step 6: Final answer
    x = 15,150.77

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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.