Home / 10,809.24-14,916.84-6,333.12

Finding the Fourth Proportional to 10,809.24, 14,916.84 and 6,333.12

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Solution

The fourth proportional to 10,809.24, 14,916.84 and 6,333.12 is: 8,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.24 : 14,916.84 = 6,333.12 : x
  2. Step 2: Convert to fraction form
    10,809.24/14,916.84 = 6,333.12/x
  3. Step 3: Cross multiply
    10,809.24x = 14,916.84 × 6,333.12
  4. Step 4: Simplify right side
    10,809.24x = 94,470,137.74
  5. Step 5: Solve for x
    x = 94,470,137.74/10,809.24
  6. Step 6: Final answer
    x = 8,739.76

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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.