Home / 14,186.84-21,254.96-8,637.32

Finding the Fourth Proportional to 14,186.84, 21,254.96 and 8,637.32

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Solution

The fourth proportional to 14,186.84, 21,254.96 and 8,637.32 is: 12,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.84 : 21,254.96 = 8,637.32 : x
  2. Step 2: Convert to fraction form
    14,186.84/21,254.96 = 8,637.32/x
  3. Step 3: Cross multiply
    14,186.84x = 21,254.96 × 8,637.32
  4. Step 4: Simplify right side
    14,186.84x = 183,585,741.65
  5. Step 5: Solve for x
    x = 183,585,741.65/14,186.84
  6. Step 6: Final answer
    x = 12,940.57

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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.