Home / 10,862.08-16,291.20-3,068.80

Finding the Fourth Proportional to 10,862.08, 16,291.20 and 3,068.80

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Solution

The fourth proportional to 10,862.08, 16,291.20 and 3,068.80 is: 4,602.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.08 : 16,291.20 = 3,068.80 : x
  2. Step 2: Convert to fraction form
    10,862.08/16,291.20 = 3,068.80/x
  3. Step 3: Cross multiply
    10,862.08x = 16,291.20 × 3,068.80
  4. Step 4: Simplify right side
    10,862.08x = 49,994,434.56
  5. Step 5: Solve for x
    x = 49,994,434.56/10,862.08
  6. Step 6: Final answer
    x = 4,602.66

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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.