Home / 11,931.39-16,465.01-6,626.07

Finding the Fourth Proportional to 11,931.39, 16,465.01 and 6,626.07

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Solution

The fourth proportional to 11,931.39, 16,465.01 and 6,626.07 is: 9,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.39 : 16,465.01 = 6,626.07 : x
  2. Step 2: Convert to fraction form
    11,931.39/16,465.01 = 6,626.07/x
  3. Step 3: Cross multiply
    11,931.39x = 16,465.01 × 6,626.07
  4. Step 4: Simplify right side
    11,931.39x = 109,098,275.68
  5. Step 5: Solve for x
    x = 109,098,275.68/11,931.39
  6. Step 6: Final answer
    x = 9,143.80

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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.