Home / 12,941.08-19,412.10-12,770.20

Finding the Fourth Proportional to 12,941.08, 19,412.10 and 12,770.20

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Solution

The fourth proportional to 12,941.08, 19,412.10 and 12,770.20 is: 19,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.08 : 19,412.10 = 12,770.20 : x
  2. Step 2: Convert to fraction form
    12,941.08/19,412.10 = 12,770.20/x
  3. Step 3: Cross multiply
    12,941.08x = 19,412.10 × 12,770.20
  4. Step 4: Simplify right side
    12,941.08x = 247,896,399.42
  5. Step 5: Solve for x
    x = 247,896,399.42/12,941.08
  6. Step 6: Final answer
    x = 19,155.77

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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.