Home / 9,872.12-14,818.43-5,720.22

Finding the Fourth Proportional to 9,872.12, 14,818.43 and 5,720.22

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Solution

The fourth proportional to 9,872.12, 14,818.43 and 5,720.22 is: 8,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.12 : 14,818.43 = 5,720.22 : x
  2. Step 2: Convert to fraction form
    9,872.12/14,818.43 = 5,720.22/x
  3. Step 3: Cross multiply
    9,872.12x = 14,818.43 × 5,720.22
  4. Step 4: Simplify right side
    9,872.12x = 84,764,693.96
  5. Step 5: Solve for x
    x = 84,764,693.96/9,872.12
  6. Step 6: Final answer
    x = 8,586.27

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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.