Home / 10,308.21-15,462.95-2,913.23

Finding the Fourth Proportional to 10,308.21, 15,462.95 and 2,913.23

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Solution

The fourth proportional to 10,308.21, 15,462.95 and 2,913.23 is: 4,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.21 : 15,462.95 = 2,913.23 : x
  2. Step 2: Convert to fraction form
    10,308.21/15,462.95 = 2,913.23/x
  3. Step 3: Cross multiply
    10,308.21x = 15,462.95 × 2,913.23
  4. Step 4: Simplify right side
    10,308.21x = 45,047,115.26
  5. Step 5: Solve for x
    x = 45,047,115.26/10,308.21
  6. Step 6: Final answer
    x = 4,370.03

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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.