Home / 10,477.14-15,715.35-2,686.02

Finding the Fourth Proportional to 10,477.14, 15,715.35 and 2,686.02

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Solution

The fourth proportional to 10,477.14, 15,715.35 and 2,686.02 is: 4,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.14 : 15,715.35 = 2,686.02 : x
  2. Step 2: Convert to fraction form
    10,477.14/15,715.35 = 2,686.02/x
  3. Step 3: Cross multiply
    10,477.14x = 15,715.35 × 2,686.02
  4. Step 4: Simplify right side
    10,477.14x = 42,211,744.41
  5. Step 5: Solve for x
    x = 42,211,744.41/10,477.14
  6. Step 6: Final answer
    x = 4,028.94

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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.