Home / 10,860.40-16,291.50-3,465.91

Finding the Fourth Proportional to 10,860.40, 16,291.50 and 3,465.91

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Solution

The fourth proportional to 10,860.40, 16,291.50 and 3,465.91 is: 5,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.40 : 16,291.50 = 3,465.91 : x
  2. Step 2: Convert to fraction form
    10,860.40/16,291.50 = 3,465.91/x
  3. Step 3: Cross multiply
    10,860.40x = 16,291.50 × 3,465.91
  4. Step 4: Simplify right side
    10,860.40x = 56,464,872.77
  5. Step 5: Solve for x
    x = 56,464,872.77/10,860.40
  6. Step 6: Final answer
    x = 5,199.15

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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.