Home / 14,476.32-19,980.42-8,812.89

Finding the Fourth Proportional to 14,476.32, 19,980.42 and 8,812.89

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Solution

The fourth proportional to 14,476.32, 19,980.42 and 8,812.89 is: 12,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476.32 : 19,980.42 = 8,812.89 : x
  2. Step 2: Convert to fraction form
    14,476.32/19,980.42 = 8,812.89/x
  3. Step 3: Cross multiply
    14,476.32x = 19,980.42 × 8,812.89
  4. Step 4: Simplify right side
    14,476.32x = 176,085,243.61
  5. Step 5: Solve for x
    x = 176,085,243.61/14,476.32
  6. Step 6: Final answer
    x = 12,163.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.