Home / 14,905.99-22,369.22-6,140.89

Finding the Fourth Proportional to 14,905.99, 22,369.22 and 6,140.89

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Solution

The fourth proportional to 14,905.99, 22,369.22 and 6,140.89 is: 9,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.99 : 22,369.22 = 6,140.89 : x
  2. Step 2: Convert to fraction form
    14,905.99/22,369.22 = 6,140.89/x
  3. Step 3: Cross multiply
    14,905.99x = 22,369.22 × 6,140.89
  4. Step 4: Simplify right side
    14,905.99x = 137,366,919.41
  5. Step 5: Solve for x
    x = 137,366,919.41/14,905.99
  6. Step 6: Final answer
    x = 9,215.55

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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.