Home / 14,785.86-22,185.70-6,464.79

Finding the Fourth Proportional to 14,785.86, 22,185.70 and 6,464.79

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Solution

The fourth proportional to 14,785.86, 22,185.70 and 6,464.79 is: 9,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.86 : 22,185.70 = 6,464.79 : x
  2. Step 2: Convert to fraction form
    14,785.86/22,185.70 = 6,464.79/x
  3. Step 3: Cross multiply
    14,785.86x = 22,185.70 × 6,464.79
  4. Step 4: Simplify right side
    14,785.86x = 143,425,891.50
  5. Step 5: Solve for x
    x = 143,425,891.50/14,785.86
  6. Step 6: Final answer
    x = 9,700.21

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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.