Home / 12,811.10-19,216.65-4,046.90

Finding the Fourth Proportional to 12,811.10, 19,216.65 and 4,046.90

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Solution

The fourth proportional to 12,811.10, 19,216.65 and 4,046.90 is: 6,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811.10 : 19,216.65 = 4,046.90 : x
  2. Step 2: Convert to fraction form
    12,811.10/19,216.65 = 4,046.90/x
  3. Step 3: Cross multiply
    12,811.10x = 19,216.65 × 4,046.90
  4. Step 4: Simplify right side
    12,811.10x = 77,767,860.89
  5. Step 5: Solve for x
    x = 77,767,860.89/12,811.10
  6. Step 6: Final answer
    x = 6,070.35

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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.