Home / 8,860.20-13,301.10-8,795.40

Finding the Fourth Proportional to 8,860.20, 13,301.10 and 8,795.40

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Solution

The fourth proportional to 8,860.20, 13,301.10 and 8,795.40 is: 13,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.20 : 13,301.10 = 8,795.40 : x
  2. Step 2: Convert to fraction form
    8,860.20/13,301.10 = 8,795.40/x
  3. Step 3: Cross multiply
    8,860.20x = 13,301.10 × 8,795.40
  4. Step 4: Simplify right side
    8,860.20x = 116,988,494.94
  5. Step 5: Solve for x
    x = 116,988,494.94/8,860.20
  6. Step 6: Final answer
    x = 13,203.82

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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.