Home / 10,879.02-16,316.06-5,326.84

Finding the Fourth Proportional to 10,879.02, 16,316.06 and 5,326.84

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Solution

The fourth proportional to 10,879.02, 16,316.06 and 5,326.84 is: 7,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.02 : 16,316.06 = 5,326.84 : x
  2. Step 2: Convert to fraction form
    10,879.02/16,316.06 = 5,326.84/x
  3. Step 3: Cross multiply
    10,879.02x = 16,316.06 × 5,326.84
  4. Step 4: Simplify right side
    10,879.02x = 86,913,041.05
  5. Step 5: Solve for x
    x = 86,913,041.05/10,879.02
  6. Step 6: Final answer
    x = 7,989.05

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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.