Home / 16,680.56-24,999.96-6,814.40

Finding the Fourth Proportional to 16,680.56, 24,999.96 and 6,814.40

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Solution

The fourth proportional to 16,680.56, 24,999.96 and 6,814.40 is: 10,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.56 : 24,999.96 = 6,814.40 : x
  2. Step 2: Convert to fraction form
    16,680.56/24,999.96 = 6,814.40/x
  3. Step 3: Cross multiply
    16,680.56x = 24,999.96 × 6,814.40
  4. Step 4: Simplify right side
    16,680.56x = 170,359,727.42
  5. Step 5: Solve for x
    x = 170,359,727.42/16,680.56
  6. Step 6: Final answer
    x = 10,213.07

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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.