Home / 10,889.10-16,312.05-6,266.70

Finding the Fourth Proportional to 10,889.10, 16,312.05 and 6,266.70

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Solution

The fourth proportional to 10,889.10, 16,312.05 and 6,266.70 is: 9,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.10 : 16,312.05 = 6,266.70 : x
  2. Step 2: Convert to fraction form
    10,889.10/16,312.05 = 6,266.70/x
  3. Step 3: Cross multiply
    10,889.10x = 16,312.05 × 6,266.70
  4. Step 4: Simplify right side
    10,889.10x = 102,222,723.74
  5. Step 5: Solve for x
    x = 102,222,723.74/10,889.10
  6. Step 6: Final answer
    x = 9,387.62

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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.