Home / 10,443.20-14,411.40-6,252.80

Finding the Fourth Proportional to 10,443.20, 14,411.40 and 6,252.80

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Solution

The fourth proportional to 10,443.20, 14,411.40 and 6,252.80 is: 8,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.20 : 14,411.40 = 6,252.80 : x
  2. Step 2: Convert to fraction form
    10,443.20/14,411.40 = 6,252.80/x
  3. Step 3: Cross multiply
    10,443.20x = 14,411.40 × 6,252.80
  4. Step 4: Simplify right side
    10,443.20x = 90,111,601.92
  5. Step 5: Solve for x
    x = 90,111,601.92/10,443.20
  6. Step 6: Final answer
    x = 8,628.73

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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.