Home / 11,913.04-16,434.12-9,677.44

Finding the Fourth Proportional to 11,913.04, 16,434.12 and 9,677.44

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Solution

The fourth proportional to 11,913.04, 16,434.12 and 9,677.44 is: 13,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.04 : 16,434.12 = 9,677.44 : x
  2. Step 2: Convert to fraction form
    11,913.04/16,434.12 = 9,677.44/x
  3. Step 3: Cross multiply
    11,913.04x = 16,434.12 × 9,677.44
  4. Step 4: Simplify right side
    11,913.04x = 159,040,210.25
  5. Step 5: Solve for x
    x = 159,040,210.25/11,913.04
  6. Step 6: Final answer
    x = 13,350.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.