Home / 26,145.92-39,203.84-8,614.40

Finding the Fourth Proportional to 26,145.92, 39,203.84 and 8,614.40

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Solution

The fourth proportional to 26,145.92, 39,203.84 and 8,614.40 is: 12,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.92 : 39,203.84 = 8,614.40 : x
  2. Step 2: Convert to fraction form
    26,145.92/39,203.84 = 8,614.40/x
  3. Step 3: Cross multiply
    26,145.92x = 39,203.84 × 8,614.40
  4. Step 4: Simplify right side
    26,145.92x = 337,717,559.30
  5. Step 5: Solve for x
    x = 337,717,559.30/26,145.92
  6. Step 6: Final answer
    x = 12,916.64

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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.