Home / 10,914.08-15,056.64-7,376

Finding the Fourth Proportional to 10,914.08, 15,056.64 and 7,376

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Solution

The fourth proportional to 10,914.08, 15,056.64 and 7,376 is: 10,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.08 : 15,056.64 = 7,376 : x
  2. Step 2: Convert to fraction form
    10,914.08/15,056.64 = 7,376/x
  3. Step 3: Cross multiply
    10,914.08x = 15,056.64 × 7,376
  4. Step 4: Simplify right side
    10,914.08x = 111,057,776.64
  5. Step 5: Solve for x
    x = 111,057,776.64/10,914.08
  6. Step 6: Final answer
    x = 10,175.64

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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.