Home / 11,350.50-15,666.18-6,316.44

Finding the Fourth Proportional to 11,350.50, 15,666.18 and 6,316.44

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Solution

The fourth proportional to 11,350.50, 15,666.18 and 6,316.44 is: 8,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.50 : 15,666.18 = 6,316.44 : x
  2. Step 2: Convert to fraction form
    11,350.50/15,666.18 = 6,316.44/x
  3. Step 3: Cross multiply
    11,350.50x = 15,666.18 × 6,316.44
  4. Step 4: Simplify right side
    11,350.50x = 98,954,486.00
  5. Step 5: Solve for x
    x = 98,954,486.00/11,350.50
  6. Step 6: Final answer
    x = 8,718.07

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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.