Home / 16,412.55-24,612.75-12,909.38

Finding the Fourth Proportional to 16,412.55, 24,612.75 and 12,909.38

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Solution

The fourth proportional to 16,412.55, 24,612.75 and 12,909.38 is: 19,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,412.55 : 24,612.75 = 12,909.38 : x
  2. Step 2: Convert to fraction form
    16,412.55/24,612.75 = 12,909.38/x
  3. Step 3: Cross multiply
    16,412.55x = 24,612.75 × 12,909.38
  4. Step 4: Simplify right side
    16,412.55x = 317,735,219.53
  5. Step 5: Solve for x
    x = 317,735,219.53/16,412.55
  6. Step 6: Final answer
    x = 19,359.28

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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.