Home / 10,830.24-16,242.12-3,434.40

Finding the Fourth Proportional to 10,830.24, 16,242.12 and 3,434.40

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Solution

The fourth proportional to 10,830.24, 16,242.12 and 3,434.40 is: 5,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.24 : 16,242.12 = 3,434.40 : x
  2. Step 2: Convert to fraction form
    10,830.24/16,242.12 = 3,434.40/x
  3. Step 3: Cross multiply
    10,830.24x = 16,242.12 × 3,434.40
  4. Step 4: Simplify right side
    10,830.24x = 55,781,936.93
  5. Step 5: Solve for x
    x = 55,781,936.93/10,830.24
  6. Step 6: Final answer
    x = 5,150.57

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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.