Home / 10,005.14-13,806.45-5,812.58

Finding the Fourth Proportional to 10,005.14, 13,806.45 and 5,812.58

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Solution

The fourth proportional to 10,005.14, 13,806.45 and 5,812.58 is: 8,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.14 : 13,806.45 = 5,812.58 : x
  2. Step 2: Convert to fraction form
    10,005.14/13,806.45 = 5,812.58/x
  3. Step 3: Cross multiply
    10,005.14x = 13,806.45 × 5,812.58
  4. Step 4: Simplify right side
    10,005.14x = 80,251,095.14
  5. Step 5: Solve for x
    x = 80,251,095.14/10,005.14
  6. Step 6: Final answer
    x = 8,020.99

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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.