Home / 10,308.70-15,461.66-2,913.74

Finding the Fourth Proportional to 10,308.70, 15,461.66 and 2,913.74

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Solution

The fourth proportional to 10,308.70, 15,461.66 and 2,913.74 is: 4,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.70 : 15,461.66 = 2,913.74 : x
  2. Step 2: Convert to fraction form
    10,308.70/15,461.66 = 2,913.74/x
  3. Step 3: Cross multiply
    10,308.70x = 15,461.66 × 2,913.74
  4. Step 4: Simplify right side
    10,308.70x = 45,051,179.90
  5. Step 5: Solve for x
    x = 45,051,179.90/10,308.70
  6. Step 6: Final answer
    x = 4,370.21

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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.