Home / 8,445.84-12,677.67-6,903.60

Finding the Fourth Proportional to 8,445.84, 12,677.67 and 6,903.60

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Solution

The fourth proportional to 8,445.84, 12,677.67 and 6,903.60 is: 10,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.84 : 12,677.67 = 6,903.60 : x
  2. Step 2: Convert to fraction form
    8,445.84/12,677.67 = 6,903.60/x
  3. Step 3: Cross multiply
    8,445.84x = 12,677.67 × 6,903.60
  4. Step 4: Simplify right side
    8,445.84x = 87,521,562.61
  5. Step 5: Solve for x
    x = 87,521,562.61/8,445.84
  6. Step 6: Final answer
    x = 10,362.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.