Home / 12,089.64-16,683.45-6,711.77

Finding the Fourth Proportional to 12,089.64, 16,683.45 and 6,711.77

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Solution

The fourth proportional to 12,089.64, 16,683.45 and 6,711.77 is: 9,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.64 : 16,683.45 = 6,711.77 : x
  2. Step 2: Convert to fraction form
    12,089.64/16,683.45 = 6,711.77/x
  3. Step 3: Cross multiply
    12,089.64x = 16,683.45 × 6,711.77
  4. Step 4: Simplify right side
    12,089.64x = 111,975,479.21
  5. Step 5: Solve for x
    x = 111,975,479.21/12,089.64
  6. Step 6: Final answer
    x = 9,262.10

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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.