Home / 10,434.90-15,653.34-2,938.44

Finding the Fourth Proportional to 10,434.90, 15,653.34 and 2,938.44

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Solution

The fourth proportional to 10,434.90, 15,653.34 and 2,938.44 is: 4,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.90 : 15,653.34 = 2,938.44 : x
  2. Step 2: Convert to fraction form
    10,434.90/15,653.34 = 2,938.44/x
  3. Step 3: Cross multiply
    10,434.90x = 15,653.34 × 2,938.44
  4. Step 4: Simplify right side
    10,434.90x = 45,996,400.39
  5. Step 5: Solve for x
    x = 45,996,400.39/10,434.90
  6. Step 6: Final answer
    x = 4,407.94

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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.