Home / 10,429.17-14,387.85-6,443.37

Finding the Fourth Proportional to 10,429.17, 14,387.85 and 6,443.37

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Solution

The fourth proportional to 10,429.17, 14,387.85 and 6,443.37 is: 8,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.17 : 14,387.85 = 6,443.37 : x
  2. Step 2: Convert to fraction form
    10,429.17/14,387.85 = 6,443.37/x
  3. Step 3: Cross multiply
    10,429.17x = 14,387.85 × 6,443.37
  4. Step 4: Simplify right side
    10,429.17x = 92,706,241.05
  5. Step 5: Solve for x
    x = 92,706,241.05/10,429.17
  6. Step 6: Final answer
    x = 8,889.13

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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.