Home / 10,313.07-15,468.21-2,918.11

Finding the Fourth Proportional to 10,313.07, 15,468.21 and 2,918.11

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Solution

The fourth proportional to 10,313.07, 15,468.21 and 2,918.11 is: 4,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.07 : 15,468.21 = 2,918.11 : x
  2. Step 2: Convert to fraction form
    10,313.07/15,468.21 = 2,918.11/x
  3. Step 3: Cross multiply
    10,313.07x = 15,468.21 × 2,918.11
  4. Step 4: Simplify right side
    10,313.07x = 45,137,899.61
  5. Step 5: Solve for x
    x = 45,137,899.61/10,313.07
  6. Step 6: Final answer
    x = 4,376.77

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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.