Home / 10,007.62-13,816.14-6,655

Finding the Fourth Proportional to 10,007.62, 13,816.14 and 6,655

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Solution

The fourth proportional to 10,007.62, 13,816.14 and 6,655 is: 9,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.62 : 13,816.14 = 6,655 : x
  2. Step 2: Convert to fraction form
    10,007.62/13,816.14 = 6,655/x
  3. Step 3: Cross multiply
    10,007.62x = 13,816.14 × 6,655
  4. Step 4: Simplify right side
    10,007.62x = 91,946,411.70
  5. Step 5: Solve for x
    x = 91,946,411.70/10,007.62
  6. Step 6: Final answer
    x = 9,187.64

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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.