Home / 9,964.02-14,948.34-3,390.21

Finding the Fourth Proportional to 9,964.02, 14,948.34 and 3,390.21

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Solution

The fourth proportional to 9,964.02, 14,948.34 and 3,390.21 is: 5,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.02 : 14,948.34 = 3,390.21 : x
  2. Step 2: Convert to fraction form
    9,964.02/14,948.34 = 3,390.21/x
  3. Step 3: Cross multiply
    9,964.02x = 14,948.34 × 3,390.21
  4. Step 4: Simplify right side
    9,964.02x = 50,678,011.75
  5. Step 5: Solve for x
    x = 50,678,011.75/9,964.02
  6. Step 6: Final answer
    x = 5,086.10

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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.