Home / 9,687.02-14,530.80-3,113.60

Finding the Fourth Proportional to 9,687.02, 14,530.80 and 3,113.60

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Solution

The fourth proportional to 9,687.02, 14,530.80 and 3,113.60 is: 4,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.02 : 14,530.80 = 3,113.60 : x
  2. Step 2: Convert to fraction form
    9,687.02/14,530.80 = 3,113.60/x
  3. Step 3: Cross multiply
    9,687.02x = 14,530.80 × 3,113.60
  4. Step 4: Simplify right side
    9,687.02x = 45,243,098.88
  5. Step 5: Solve for x
    x = 45,243,098.88/9,687.02
  6. Step 6: Final answer
    x = 4,670.49

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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.