Home / 10,635.62-14,672.90-6,386.92

Finding the Fourth Proportional to 10,635.62, 14,672.90 and 6,386.92

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Solution

The fourth proportional to 10,635.62, 14,672.90 and 6,386.92 is: 8,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.62 : 14,672.90 = 6,386.92 : x
  2. Step 2: Convert to fraction form
    10,635.62/14,672.90 = 6,386.92/x
  3. Step 3: Cross multiply
    10,635.62x = 14,672.90 × 6,386.92
  4. Step 4: Simplify right side
    10,635.62x = 93,714,581.83
  5. Step 5: Solve for x
    x = 93,714,581.83/10,635.62
  6. Step 6: Final answer
    x = 8,811.39

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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.