Home / 10,429.84-14,399.40-9,263.44

Finding the Fourth Proportional to 10,429.84, 14,399.40 and 9,263.44

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Solution

The fourth proportional to 10,429.84, 14,399.40 and 9,263.44 is: 12,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.84 : 14,399.40 = 9,263.44 : x
  2. Step 2: Convert to fraction form
    10,429.84/14,399.40 = 9,263.44/x
  3. Step 3: Cross multiply
    10,429.84x = 14,399.40 × 9,263.44
  4. Step 4: Simplify right side
    10,429.84x = 133,387,977.94
  5. Step 5: Solve for x
    x = 133,387,977.94/10,429.84
  6. Step 6: Final answer
    x = 12,789.07

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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.