Home / 10,869.41-14,999.84-6,154.61

Finding the Fourth Proportional to 10,869.41, 14,999.84 and 6,154.61

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Solution

The fourth proportional to 10,869.41, 14,999.84 and 6,154.61 is: 8,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.41 : 14,999.84 = 6,154.61 : x
  2. Step 2: Convert to fraction form
    10,869.41/14,999.84 = 6,154.61/x
  3. Step 3: Cross multiply
    10,869.41x = 14,999.84 × 6,154.61
  4. Step 4: Simplify right side
    10,869.41x = 92,318,059.49
  5. Step 5: Solve for x
    x = 92,318,059.49/10,869.41
  6. Step 6: Final answer
    x = 8,493.39

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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.