Home / 10,308.11-15,462.69-2,913.10

Finding the Fourth Proportional to 10,308.11, 15,462.69 and 2,913.10

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Solution

The fourth proportional to 10,308.11, 15,462.69 and 2,913.10 is: 4,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.11 : 15,462.69 = 2,913.10 : x
  2. Step 2: Convert to fraction form
    10,308.11/15,462.69 = 2,913.10/x
  3. Step 3: Cross multiply
    10,308.11x = 15,462.69 × 2,913.10
  4. Step 4: Simplify right side
    10,308.11x = 45,044,362.24
  5. Step 5: Solve for x
    x = 45,044,362.24/10,308.11
  6. Step 6: Final answer
    x = 4,369.80

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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.