Home / 10,807.40-16,211.10-4,233.80

Finding the Fourth Proportional to 10,807.40, 16,211.10 and 4,233.80

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Solution

The fourth proportional to 10,807.40, 16,211.10 and 4,233.80 is: 6,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.40 : 16,211.10 = 4,233.80 : x
  2. Step 2: Convert to fraction form
    10,807.40/16,211.10 = 4,233.80/x
  3. Step 3: Cross multiply
    10,807.40x = 16,211.10 × 4,233.80
  4. Step 4: Simplify right side
    10,807.40x = 68,634,555.18
  5. Step 5: Solve for x
    x = 68,634,555.18/10,807.40
  6. Step 6: Final answer
    x = 6,350.70

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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.