Home / 10,801.92-16,206.24-9,170.40

Finding the Fourth Proportional to 10,801.92, 16,206.24 and 9,170.40

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Solution

The fourth proportional to 10,801.92, 16,206.24 and 9,170.40 is: 13,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.92 : 16,206.24 = 9,170.40 : x
  2. Step 2: Convert to fraction form
    10,801.92/16,206.24 = 9,170.40/x
  3. Step 3: Cross multiply
    10,801.92x = 16,206.24 × 9,170.40
  4. Step 4: Simplify right side
    10,801.92x = 148,617,703.30
  5. Step 5: Solve for x
    x = 148,617,703.30/10,801.92
  6. Step 6: Final answer
    x = 13,758.45

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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.