Home / 14,439.09-21,642.20-6,113.91

Finding the Fourth Proportional to 14,439.09, 21,642.20 and 6,113.91

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Solution

The fourth proportional to 14,439.09, 21,642.20 and 6,113.91 is: 9,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.09 : 21,642.20 = 6,113.91 : x
  2. Step 2: Convert to fraction form
    14,439.09/21,642.20 = 6,113.91/x
  3. Step 3: Cross multiply
    14,439.09x = 21,642.20 × 6,113.91
  4. Step 4: Simplify right side
    14,439.09x = 132,318,463.00
  5. Step 5: Solve for x
    x = 132,318,463.00/14,439.09
  6. Step 6: Final answer
    x = 9,163.91

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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.