Home / 11,487.92-15,852.21-6,451.00

Finding the Fourth Proportional to 11,487.92, 15,852.21 and 6,451.00

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Solution

The fourth proportional to 11,487.92, 15,852.21 and 6,451.00 is: 8,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.92 : 15,852.21 = 6,451.00 : x
  2. Step 2: Convert to fraction form
    11,487.92/15,852.21 = 6,451.00/x
  3. Step 3: Cross multiply
    11,487.92x = 15,852.21 × 6,451.00
  4. Step 4: Simplify right side
    11,487.92x = 102,262,527.45
  5. Step 5: Solve for x
    x = 102,262,527.45/11,487.92
  6. Step 6: Final answer
    x = 8,901.74

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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.