Home / 10,308.20-15,460.91-2,913.23

Finding the Fourth Proportional to 10,308.20, 15,460.91 and 2,913.23

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Solution

The fourth proportional to 10,308.20, 15,460.91 and 2,913.23 is: 4,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.20 : 15,460.91 = 2,913.23 : x
  2. Step 2: Convert to fraction form
    10,308.20/15,460.91 = 2,913.23/x
  3. Step 3: Cross multiply
    10,308.20x = 15,460.91 × 2,913.23
  4. Step 4: Simplify right side
    10,308.20x = 45,041,221.85
  5. Step 5: Solve for x
    x = 45,041,221.85/10,308.20
  6. Step 6: Final answer
    x = 4,369.46

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1.5x scale

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.