Home / 9,369.02-12,911.46-6,711.81

Finding the Fourth Proportional to 9,369.02, 12,911.46 and 6,711.81

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Solution

The fourth proportional to 9,369.02, 12,911.46 and 6,711.81 is: 9,249.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.02 : 12,911.46 = 6,711.81 : x
  2. Step 2: Convert to fraction form
    9,369.02/12,911.46 = 6,711.81/x
  3. Step 3: Cross multiply
    9,369.02x = 12,911.46 × 6,711.81
  4. Step 4: Simplify right side
    9,369.02x = 86,659,266.34
  5. Step 5: Solve for x
    x = 86,659,266.34/9,369.02
  6. Step 6: Final answer
    x = 9,249.56

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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.