Home / 12,253.21-16,943.36-9,730.87

Finding the Fourth Proportional to 12,253.21, 16,943.36 and 9,730.87

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Solution

The fourth proportional to 12,253.21, 16,943.36 and 9,730.87 is: 13,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.21 : 16,943.36 = 9,730.87 : x
  2. Step 2: Convert to fraction form
    12,253.21/16,943.36 = 9,730.87/x
  3. Step 3: Cross multiply
    12,253.21x = 16,943.36 × 9,730.87
  4. Step 4: Simplify right side
    12,253.21x = 164,873,542.51
  5. Step 5: Solve for x
    x = 164,873,542.51/12,253.21
  6. Step 6: Final answer
    x = 13,455.54

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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.