Home / 10,185.40-14,056.50-6,658.12

Finding the Fourth Proportional to 10,185.40, 14,056.50 and 6,658.12

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Solution

The fourth proportional to 10,185.40, 14,056.50 and 6,658.12 is: 9,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.40 : 14,056.50 = 6,658.12 : x
  2. Step 2: Convert to fraction form
    10,185.40/14,056.50 = 6,658.12/x
  3. Step 3: Cross multiply
    10,185.40x = 14,056.50 × 6,658.12
  4. Step 4: Simplify right side
    10,185.40x = 93,589,863.78
  5. Step 5: Solve for x
    x = 93,589,863.78/10,185.40
  6. Step 6: Final answer
    x = 9,188.63

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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.