Home / 11,931-16,465.10-6,626.04

Finding the Fourth Proportional to 11,931, 16,465.10 and 6,626.04

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Solution

The fourth proportional to 11,931, 16,465.10 and 6,626.04 is: 9,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931 : 16,465.10 = 6,626.04 : x
  2. Step 2: Convert to fraction form
    11,931/16,465.10 = 6,626.04/x
  3. Step 3: Cross multiply
    11,931x = 16,465.10 × 6,626.04
  4. Step 4: Simplify right side
    11,931x = 109,098,411.20
  5. Step 5: Solve for x
    x = 109,098,411.20/11,931
  6. Step 6: Final answer
    x = 9,144.11

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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.