Home / 10,803.08-16,210.02-9,986.60

Finding the Fourth Proportional to 10,803.08, 16,210.02 and 9,986.60

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Solution

The fourth proportional to 10,803.08, 16,210.02 and 9,986.60 is: 14,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,803.08 : 16,210.02 = 9,986.60 : x
  2. Step 2: Convert to fraction form
    10,803.08/16,210.02 = 9,986.60/x
  3. Step 3: Cross multiply
    10,803.08x = 16,210.02 × 9,986.60
  4. Step 4: Simplify right side
    10,803.08x = 161,882,985.73
  5. Step 5: Solve for x
    x = 161,882,985.73/10,803.08
  6. Step 6: Final answer
    x = 14,984.89

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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.