Home / 15,604.17-23,412.09-8,103.05

Finding the Fourth Proportional to 15,604.17, 23,412.09 and 8,103.05

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Solution

The fourth proportional to 15,604.17, 23,412.09 and 8,103.05 is: 12,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.17 : 23,412.09 = 8,103.05 : x
  2. Step 2: Convert to fraction form
    15,604.17/23,412.09 = 8,103.05/x
  3. Step 3: Cross multiply
    15,604.17x = 23,412.09 × 8,103.05
  4. Step 4: Simplify right side
    15,604.17x = 189,709,218.81
  5. Step 5: Solve for x
    x = 189,709,218.81/15,604.17
  6. Step 6: Final answer
    x = 12,157.60

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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.