Home / 14,711.12-22,066.64-6,390.06

Finding the Fourth Proportional to 14,711.12, 22,066.64 and 6,390.06

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Solution

The fourth proportional to 14,711.12, 22,066.64 and 6,390.06 is: 9,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.12 : 22,066.64 = 6,390.06 : x
  2. Step 2: Convert to fraction form
    14,711.12/22,066.64 = 6,390.06/x
  3. Step 3: Cross multiply
    14,711.12x = 22,066.64 × 6,390.06
  4. Step 4: Simplify right side
    14,711.12x = 141,007,121.65
  5. Step 5: Solve for x
    x = 141,007,121.65/14,711.12
  6. Step 6: Final answer
    x = 9,585.07

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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.